qualcomm/sc7280: remove unnecessary malloc and early return on failure
Instead of just printing the fatal errors, do early return so that boot up time will be reduced during display init failure. Remove malloc allocation and make tu a local variable. Change-Id: I51f7a86d143128d2c426fb8940ff34a66152b426 Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/66975 Reviewed-by: Shelley Chen <shchen@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Vinod Polimera
Felix Held
parent
9244358536
commit
042ba16ef8
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@ -916,7 +916,7 @@ static void edp_ctrl_config_misc(struct edp_ctrl *ctrl)
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write32(&edp_lclk->misc1_misc0, misc_val);
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}
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static void edp_ctrl_pixel_clock_dividers(struct edp_ctrl *ctrl,
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static int edp_ctrl_pixel_clock_dividers(struct edp_ctrl *ctrl,
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uint32_t *pixel_m, uint32_t *pixel_n)
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{
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uint32_t pixel_div = 0, dispcc_input_rate;
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@ -924,14 +924,16 @@ static void edp_ctrl_pixel_clock_dividers(struct edp_ctrl *ctrl,
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uint8_t rate = ctrl->link_rate;
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uint32_t stream_rate_khz = ctrl->pixel_rate;
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if (rate == DP_LINK_BW_8_1)
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if (rate == DP_LINK_BW_8_1) {
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pixel_div = 6;
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else if (rate == DP_LINK_BW_1_62 || rate == DP_LINK_BW_2_7)
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} else if (rate == DP_LINK_BW_1_62 || rate == DP_LINK_BW_2_7) {
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pixel_div = 2;
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else if (rate == DP_LINK_BW_5_4)
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} else if (rate == DP_LINK_BW_5_4) {
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pixel_div = 4;
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else
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} else {
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printk(BIOS_ERR, "Invalid pixel mux divider\n");
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return -1;
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}
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dispcc_input_rate = (ctrl->link_rate_khz * 10) / pixel_div;
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@ -940,16 +942,20 @@ static void edp_ctrl_pixel_clock_dividers(struct edp_ctrl *ctrl,
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(unsigned long)(1 << 16) - 1, &den, &num);
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*pixel_m = num;
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*pixel_n = den;
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return 0;
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}
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static void edp_ctrl_config_msa(struct edp_ctrl *ctrl)
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static int edp_ctrl_config_msa(struct edp_ctrl *ctrl)
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{
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uint32_t pixel_m, pixel_n;
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uint32_t mvid, nvid;
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u32 const nvid_fixed = 0x8000;
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uint8_t rate = ctrl->link_rate;
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edp_ctrl_pixel_clock_dividers(ctrl, &pixel_m, &pixel_n);
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if (edp_ctrl_pixel_clock_dividers(ctrl, &pixel_m, &pixel_n) < 0)
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return -1;
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pixel_n = ~(pixel_n - pixel_m);
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pixel_n = pixel_n & 0xFFFF;
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mvid = (pixel_m & 0xFFFF) * 5;
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@ -973,6 +979,8 @@ static void edp_ctrl_config_msa(struct edp_ctrl *ctrl)
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write32(&edp_lclk->software_mvid, mvid);
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write32(&edp_lclk->software_nvid, nvid);
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write32(&edp_p0clk->dsc_dto, 0x0);
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return 0;
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}
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static void tu_valid_boundary_calc(struct tu_algo_data *tu)
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@ -1070,7 +1078,7 @@ static void tu_valid_boundary_calc(struct tu_algo_data *tu)
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static void edp_ctrl_calc_tu(struct edp_ctrl *ctrl, struct edid *edid,
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struct edp_ctrl_tu *tu_table)
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{
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struct tu_algo_data *tu = NULL;
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struct tu_algo_data tu;
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int64_t f = 100000;
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int64_t LCLK_FAST_SKEW_fp = (6 * f) / 1000; /* 0.0006 */
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uint8_t DP_BRUTE_FORCE = 1;
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@ -1081,143 +1089,137 @@ static void edp_ctrl_calc_tu(struct edp_ctrl *ctrl, struct edid *edid,
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int EXTRA_PIXCLK_CYCLE_DELAY = 4;
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int64_t temp = 0;
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int64_t temp_fp = 0;
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uint32_t async_en = 0;
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tu = malloc(sizeof(*tu));
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memset(tu, 0, sizeof(*tu));
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tu->lclk_fp = ctrl->link_rate_khz * f;
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tu->lclk = ctrl->link_rate_khz;
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tu->pclk = edid->mode.pixel_clock;
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tu->pclk_fp = edid->mode.pixel_clock * f;
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tu->nlanes = ctrl->lane_cnt;
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tu->bpp = edid->panel_bits_per_pixel;
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tu->lwidth = edid->mode.ha;
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tu->lwidth_fp = tu->lwidth * f;
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tu->hbp_relative_to_pclk = edid->mode.hbl;
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tu->hbp_relative_to_pclk_fp = tu->hbp_relative_to_pclk * f;
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tu->err_fp = 1000 * f;
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tu->extra_buffer_margin = DIV_ROUND_UP(tu->lclk * 4, tu->pclk);
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tu->ratio_fp = ((int64_t)(tu->pclk_fp * tu->bpp) / 8) / (tu->nlanes * tu->lclk);
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tu->original_ratio_fp = tu->ratio_fp;
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tu->err_fp = 1000 * f;
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if (((tu->lwidth % tu->nlanes) != 0) && (tu->ratio_fp < f)) {
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tu->ratio_fp = (tu->ratio_fp * RATIO_SCALE_NUM) / RATIO_SCALE_DEN;
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tu->ratio_fp = tu->ratio_fp < f ? tu->ratio_fp : f;
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tu.lclk_fp = ctrl->link_rate_khz * f;
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tu.lclk = ctrl->link_rate_khz;
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tu.pclk = edid->mode.pixel_clock;
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tu.pclk_fp = edid->mode.pixel_clock * f;
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tu.nlanes = ctrl->lane_cnt;
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tu.bpp = edid->panel_bits_per_pixel;
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tu.lwidth = edid->mode.ha;
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tu.lwidth_fp = tu.lwidth * f;
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tu.hbp_relative_to_pclk = edid->mode.hbl;
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tu.hbp_relative_to_pclk_fp = tu.hbp_relative_to_pclk * f;
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tu.err_fp = 1000 * f;
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tu.extra_buffer_margin = DIV_ROUND_UP(tu.lclk * 4, tu.pclk);
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tu.ratio_fp = ((int64_t)(tu.pclk_fp * tu.bpp) / 8) / (tu.nlanes * tu.lclk);
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tu.original_ratio_fp = tu.ratio_fp;
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tu.err_fp = 1000 * f;
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if (((tu.lwidth % tu.nlanes) != 0) && (tu.ratio_fp < f)) {
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tu.ratio_fp = (tu.ratio_fp * RATIO_SCALE_NUM) / RATIO_SCALE_DEN;
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tu.ratio_fp = tu.ratio_fp < f ? tu.ratio_fp : f;
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}
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tu->err_fp = 1000 * f;
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if (tu->ratio_fp > f)
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tu->ratio_fp = f;
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tu.err_fp = 1000 * f;
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if (tu.ratio_fp > f)
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tu.ratio_fp = f;
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for (tu->tu_size = 32; tu->tu_size <= 64; tu->tu_size++) {
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tu->new_err_fp = (tu->ratio_fp * tu->tu_size) -
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(((tu->ratio_fp * tu->tu_size) / f) * f);
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if (tu->new_err_fp > 0)
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tu->new_err_fp = f - tu->new_err_fp;
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for (tu.tu_size = 32; tu.tu_size <= 64; tu.tu_size++) {
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tu.new_err_fp = (tu.ratio_fp * tu.tu_size) -
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(((tu.ratio_fp * tu.tu_size) / f) * f);
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if (tu.new_err_fp > 0)
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tu.new_err_fp = f - tu.new_err_fp;
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if (tu->new_err_fp < tu->err_fp) {
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tu->err_fp = tu->new_err_fp;
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tu->tu_size_desired = tu->tu_size;
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if (tu.new_err_fp < tu.err_fp) {
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tu.err_fp = tu.new_err_fp;
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tu.tu_size_desired = tu.tu_size;
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}
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}
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tu->tu_size_minus1 = tu->tu_size_desired - 1;
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tu->valid_boundary_link = DIV_ROUND_UP(tu->tu_size_desired * tu->ratio_fp, f);
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tu->num_tus = ((tu->bpp * tu->lwidth) / 8) / tu->valid_boundary_link;
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tu->even_distribution_legacy = tu->num_tus % tu->nlanes == 0 ? 1 : 0;
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tu->extra_bytes = DIV_ROUND_UP(((tu->num_tus + 1) * (tu->valid_boundary_link * f -
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tu->original_ratio_fp * tu->tu_size_desired)), f);
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tu->extra_pclk_cycles = DIV_ROUND_UP(tu->extra_bytes * 8, tu->bpp);
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tu->extra_pclk_cycles_in_link_clk = DIV_ROUND_UP(tu->extra_pclk_cycles * tu->lclk,
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tu->pclk);
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tu->filler_size = tu->tu_size_desired - tu->valid_boundary_link;
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tu->ratio_by_tu_fp = tu->ratio_fp * tu->tu_size_desired;
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tu->delay_start_link = tu->extra_pclk_cycles_in_link_clk + tu->filler_size +
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tu->extra_buffer_margin;
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tu->resulting_valid_fp = tu->valid_boundary_link * f;
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tu->TU_ratio_err_fp = (tu->resulting_valid_fp / tu->tu_size_desired) -
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tu->original_ratio_fp;
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tu->hbp_time_fp = (tu->hbp_relative_to_pclk_fp - HBLANK_MARGIN * f) / tu->pclk;
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tu->delay_start_time_fp = (tu->delay_start_link * f) / tu->lclk;
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if (tu->hbp_time_fp < tu->delay_start_time_fp)
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tu->min_hblank_violated = 1;
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tu.tu_size_minus1 = tu.tu_size_desired - 1;
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tu.valid_boundary_link = DIV_ROUND_UP(tu.tu_size_desired * tu.ratio_fp, f);
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tu.num_tus = ((tu.bpp * tu.lwidth) / 8) / tu.valid_boundary_link;
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tu.even_distribution_legacy = tu.num_tus % tu.nlanes == 0 ? 1 : 0;
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tu.extra_bytes = DIV_ROUND_UP(((tu.num_tus + 1) * (tu.valid_boundary_link * f -
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tu.original_ratio_fp * tu.tu_size_desired)), f);
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tu.extra_pclk_cycles = DIV_ROUND_UP(tu.extra_bytes * 8, tu.bpp);
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tu.extra_pclk_cycles_in_link_clk = DIV_ROUND_UP(tu.extra_pclk_cycles * tu.lclk,
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tu.pclk);
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tu.filler_size = tu.tu_size_desired - tu.valid_boundary_link;
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tu.ratio_by_tu_fp = tu.ratio_fp * tu.tu_size_desired;
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tu.delay_start_link = tu.extra_pclk_cycles_in_link_clk + tu.filler_size +
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tu.extra_buffer_margin;
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tu.resulting_valid_fp = tu.valid_boundary_link * f;
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tu.TU_ratio_err_fp = (tu.resulting_valid_fp / tu.tu_size_desired) -
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tu.original_ratio_fp;
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tu.hbp_time_fp = (tu.hbp_relative_to_pclk_fp - HBLANK_MARGIN * f) / tu.pclk;
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tu.delay_start_time_fp = (tu.delay_start_link * f) / tu.lclk;
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if (tu.hbp_time_fp < tu.delay_start_time_fp)
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tu.min_hblank_violated = 1;
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tu->hactive_time_fp = (tu->lwidth * f) / tu->pclk;
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if (tu->hactive_time_fp < tu->delay_start_time_fp)
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tu->min_hblank_violated = 1;
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tu.hactive_time_fp = (tu.lwidth * f) / tu.pclk;
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if (tu.hactive_time_fp < tu.delay_start_time_fp)
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tu.min_hblank_violated = 1;
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tu->delay_start_time_fp = 0;
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tu.delay_start_time_fp = 0;
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/* brute force */
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tu->delay_start_link_extra_pclk = EXTRA_PIXCLK_CYCLE_DELAY;
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tu->diff_abs_fp = tu->resulting_valid_fp - tu->ratio_by_tu_fp;
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if (tu->diff_abs_fp < 0)
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tu->diff_abs_fp = tu->diff_abs_fp * -1;
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tu.delay_start_link_extra_pclk = EXTRA_PIXCLK_CYCLE_DELAY;
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tu.diff_abs_fp = tu.resulting_valid_fp - tu.ratio_by_tu_fp;
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if (tu.diff_abs_fp < 0)
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tu.diff_abs_fp = tu.diff_abs_fp * -1;
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tu->boundary_mod_lower_err = 0;
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if ((tu->diff_abs_fp != 0 &&
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((tu->diff_abs_fp > BRUTE_FORCE_THRESHOLD_fp) ||
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(tu->even_distribution_legacy == 0) ||
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tu.boundary_mod_lower_err = 0;
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if ((tu.diff_abs_fp != 0 &&
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((tu.diff_abs_fp > BRUTE_FORCE_THRESHOLD_fp) ||
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(tu.even_distribution_legacy == 0) ||
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(DP_BRUTE_FORCE == 1))) ||
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(tu->min_hblank_violated == 1)) {
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(tu.min_hblank_violated == 1)) {
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do {
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tu->err_fp = 1000 * f;
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tu->extra_buffer_margin = DIV_ROUND_UP(tu->lclk_fp *
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tu->delay_start_link_extra_pclk,
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tu->pclk_fp);
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tu->n_symbols = DIV_ROUND_UP(tu->bpp * tu->lwidth, 8);
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for (tu->tu_size = 32; tu->tu_size <= 64; tu->tu_size++) {
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for (tu->i_upper_boundary_count = 1;
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tu->i_upper_boundary_count <= 15;
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tu->i_upper_boundary_count++) {
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for (tu->i_lower_boundary_count = 1;
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tu->i_lower_boundary_count <= 15;
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tu->i_lower_boundary_count++) {
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tu_valid_boundary_calc(tu);
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tu.err_fp = 1000 * f;
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tu.extra_buffer_margin = DIV_ROUND_UP(tu.lclk_fp *
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tu.delay_start_link_extra_pclk,
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tu.pclk_fp);
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tu.n_symbols = DIV_ROUND_UP(tu.bpp * tu.lwidth, 8);
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for (tu.tu_size = 32; tu.tu_size <= 64; tu.tu_size++) {
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for (tu.i_upper_boundary_count = 1;
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tu.i_upper_boundary_count <= 15;
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tu.i_upper_boundary_count++) {
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for (tu.i_lower_boundary_count = 1;
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tu.i_lower_boundary_count <= 15;
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tu.i_lower_boundary_count++) {
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tu_valid_boundary_calc(&tu);
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}
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}
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}
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tu->delay_start_link_extra_pclk--;
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} while (tu->boundary_moderation_en != true &&
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tu->boundary_mod_lower_err == 1 &&
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tu->delay_start_link_extra_pclk != 0);
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tu.delay_start_link_extra_pclk--;
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} while (tu.boundary_moderation_en != true &&
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tu.boundary_mod_lower_err == 1 &&
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tu.delay_start_link_extra_pclk != 0);
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if (tu->boundary_moderation_en == true) {
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tu->resulting_valid_fp = f * (tu->upper_boundary_count *
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tu->valid_boundary_link +
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tu->lower_boundary_count *
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(tu->valid_boundary_link - 1));
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tu->resulting_valid_fp /= (tu->upper_boundary_count +
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tu->lower_boundary_count);
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tu->ratio_by_tu_fp = tu->original_ratio_fp * tu->tu_size_desired;
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tu->valid_lower_boundary_link = tu->valid_boundary_link - 1;
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tu->num_tus = ((tu->bpp / 8) * tu->lwidth_fp) / tu->resulting_valid_fp;
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tu->tu_size_minus1 = tu->tu_size_desired - 1;
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tu->even_distribution_BF = 1;
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tu->TU_ratio_err_fp = ((tu->tu_size_desired * f /
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tu->resulting_valid_fp) * f);
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tu->TU_ratio_err_fp -= tu->original_ratio_fp;
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if (tu.boundary_moderation_en == true) {
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tu.resulting_valid_fp = f * (tu.upper_boundary_count *
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tu.valid_boundary_link +
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tu.lower_boundary_count *
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(tu.valid_boundary_link - 1));
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tu.resulting_valid_fp /= (tu.upper_boundary_count +
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tu.lower_boundary_count);
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tu.ratio_by_tu_fp = tu.original_ratio_fp * tu.tu_size_desired;
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tu.valid_lower_boundary_link = tu.valid_boundary_link - 1;
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tu.num_tus = ((tu.bpp / 8) * tu.lwidth_fp) / tu.resulting_valid_fp;
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tu.tu_size_minus1 = tu.tu_size_desired - 1;
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tu.even_distribution_BF = 1;
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tu.TU_ratio_err_fp = ((tu.tu_size_desired * f /
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tu.resulting_valid_fp) * f);
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tu.TU_ratio_err_fp -= tu.original_ratio_fp;
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}
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}
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temp_fp = LCLK_FAST_SKEW_fp * tu->lwidth;
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temp_fp = LCLK_FAST_SKEW_fp * tu.lwidth;
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temp = DIV_ROUND_UP(temp_fp, f);
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temp_fp = ((tu->bpp * f / 8) / (tu->nlanes * tu->original_ratio_fp)) * f * temp;
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temp_fp = ((tu.bpp * f / 8) / (tu.nlanes * tu.original_ratio_fp)) * f * temp;
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temp = temp_fp / f;
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if (async_en)
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tu->delay_start_link += (int)temp;
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tu->delay_start_time_fp = (tu->delay_start_link * f) / tu->lclk;
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tu.delay_start_time_fp = (tu.delay_start_link * f) / tu.lclk;
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/* OUTPUTS */
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tu_table->valid_boundary_link = tu->valid_boundary_link;
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tu_table->delay_start_link = tu->delay_start_link;
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tu_table->boundary_moderation_en = tu->boundary_moderation_en;
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tu_table->valid_lower_boundary_link = tu->valid_lower_boundary_link;
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tu_table->upper_boundary_count = tu->upper_boundary_count;
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tu_table->lower_boundary_count = tu->lower_boundary_count;
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tu_table->tu_size_minus1 = tu->tu_size_minus1;
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tu_table->valid_boundary_link = tu.valid_boundary_link;
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tu_table->delay_start_link = tu.delay_start_link;
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tu_table->boundary_moderation_en = tu.boundary_moderation_en;
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tu_table->valid_lower_boundary_link = tu.valid_lower_boundary_link;
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tu_table->upper_boundary_count = tu.upper_boundary_count;
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tu_table->lower_boundary_count = tu.lower_boundary_count;
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tu_table->tu_size_minus1 = tu.tu_size_minus1;
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printk(BIOS_INFO, "TU: valid_boundary_link: %d\n",
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tu_table->valid_boundary_link);
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@ -1356,7 +1358,7 @@ static int edp_ctrl_training(struct edp_ctrl *ctrl, struct edid *edid, uint8_t *
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return ret;
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}
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static void edp_ctrl_on(struct edp_ctrl *ctrl, struct edid *edid, uint8_t *dpcd)
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static int edp_ctrl_on(struct edp_ctrl *ctrl, struct edid *edid, uint8_t *dpcd)
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{
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uint8_t value;
|
||||
int ret;
|
||||
|
|
@ -1374,15 +1376,19 @@ static void edp_ctrl_on(struct edp_ctrl *ctrl, struct edid *edid, uint8_t *dpcd)
|
|||
/* DP_SET_POWER register is only available on DPCD v1.1 and later */
|
||||
if (dpcd[DP_DPCD_REV] >= 0x11) {
|
||||
ret = edp_aux_transfer(DP_SET_POWER, DP_AUX_NATIVE_READ, &value, 1);
|
||||
if (ret < 0)
|
||||
if (ret < 0) {
|
||||
printk(BIOS_ERR, "ERROR: edp native read failure\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
value &= ~DP_SET_POWER_MASK;
|
||||
value |= DP_SET_POWER_D0;
|
||||
|
||||
ret = edp_aux_transfer(DP_SET_POWER, DP_AUX_NATIVE_WRITE, &value, 1);
|
||||
if (ret < 0)
|
||||
if (ret < 0) {
|
||||
printk(BIOS_ERR, "ERROR: edp native read failure\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* According to the DP 1.1 specification, a "Sink Device must
|
||||
|
|
@ -1396,8 +1402,10 @@ static void edp_ctrl_on(struct edp_ctrl *ctrl, struct edid *edid, uint8_t *dpcd)
|
|||
edp_ctrl_link_enable(ctrl, edid, dpcd, 1);
|
||||
/* Start link training */
|
||||
ret = edp_ctrl_training(ctrl, edid, dpcd);
|
||||
if (ret != EDP_TRAIN_SUCCESS)
|
||||
if (ret != EDP_TRAIN_SUCCESS) {
|
||||
printk(BIOS_ERR, "ERROR: edp training failure\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
edp_train_pattern_set_write(0);
|
||||
|
||||
|
|
@ -1408,10 +1416,15 @@ static void edp_ctrl_on(struct edp_ctrl *ctrl, struct edid *edid, uint8_t *dpcd)
|
|||
edp_config_ctrl(ctrl, dpcd);
|
||||
edp_ctrl_config_misc(ctrl);
|
||||
edp_ctrl_timing_cfg(edid);
|
||||
edp_ctrl_config_msa(ctrl);
|
||||
|
||||
if (edp_ctrl_config_msa(ctrl) < 0)
|
||||
return -1;
|
||||
|
||||
edp_ctrl_config_TU(ctrl, edid);
|
||||
edp_state_ctrl(SW_SEND_VIDEO);
|
||||
edp_ctrl_irq_enable(0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static bool edp_ctrl_panel_connected(uint8_t *dpcd)
|
||||
|
|
@ -1441,7 +1454,9 @@ enum cb_err edp_ctrl_init(struct edid *edid)
|
|||
mdss_clock_enable(GCC_EDP_CLKREF_EN);
|
||||
|
||||
if (edp_ctrl_panel_connected(dpcd) && edp_read_edid(edid) == 0) {
|
||||
edp_ctrl_on(&ctrl, edid, dpcd);
|
||||
if (edp_ctrl_on(&ctrl, edid, dpcd) < 0)
|
||||
return CB_ERR;
|
||||
|
||||
return CB_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue