samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: dp: remove usage of compression ratio enum from DP driver

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As overall display driver is moving away from hard-coded compression
ratios, prepare the DP driver for the same by removing the usage of
the compression ratio enum.

Change-Id: I298db7d20baed8afec9f96dff8c7e950702bfec9
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Цей коміт міститься в:
Abhinav Kumar
2020-01-10 19:14:07 -08:00
зафіксовано Gerrit - the friendly Code Review server
джерело 64ee2c4d72
коміт 27844b7b60
7 змінених файлів з 51 додано та 72 видалено
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104
msm/dp/dp_panel.c
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@@ -20,6 +20,10 @@
#define VSC_EXT_VESA_SDP_SUPPORTED BIT(4)
#define VSC_EXT_VESA_SDP_CHAINING_SUPPORTED BIT(5)
#define DP_COMPRESSION_RATIO_2_TO_1 2
#define DP_COMPRESSION_RATIO_3_TO_1 3
#define DP_COMPRESSION_RATIO_NONE 1
enum dp_panel_hdr_pixel_encoding {
RGB,
YCbCr444,
@@ -1001,16 +1005,8 @@ static void dp_panel_calc_tu_parameters(struct dp_panel *dp_panel,
in.fec_en = dp_panel->fec_en;
in.num_of_dsc_slices = pinfo->comp_info.dsc_info.slice_per_pkt;
switch (pinfo->comp_info.comp_ratio) {
case MSM_DISPLAY_COMPRESSION_RATIO_2_TO_1:
in.compress_ratio = 200;
break;
case MSM_DISPLAY_COMPRESSION_RATIO_3_TO_1:
in.compress_ratio = 300;
break;
default:
in.compress_ratio = 100;
}
if (pinfo->comp_info.comp_ratio)
in.compress_ratio = pinfo->comp_info.comp_ratio * 100;
_dp_panel_calc_tu(&in, tu_table);
}
@@ -1064,32 +1060,25 @@ static void dp_panel_config_tr_unit(struct dp_panel *dp_panel)
catalog->update_transfer_unit(catalog);
}
struct dp_dsc_dto_data {
enum msm_display_compression_ratio comp_ratio;
u32 org_bpp; /* bits */
u32 dto_numerator;
u32 dto_denominator;
};
struct dp_dsc_dto_data dto_tbl[] = {
{MSM_DISPLAY_COMPRESSION_RATIO_2_TO_1, 24, 1, 2},
{MSM_DISPLAY_COMPRESSION_RATIO_2_TO_1, 30, 5, 8},
{MSM_DISPLAY_COMPRESSION_RATIO_3_TO_1, 24, 1, 3},
{MSM_DISPLAY_COMPRESSION_RATIO_3_TO_1, 30, 5, 12},
};
static void _dp_panel_get_dto_m_n(enum msm_display_compression_ratio ratio,
u32 org_bpp, u32 *dto_n, u32 *dto_d)
static void dp_panel_get_dto_params(u8 comp_ratio, u32 *num, u32 *denom,
u32 org_bpp)
{
u32 idx;
for (idx = 0; idx < ARRAY_SIZE(dto_tbl); idx++) {
if (ratio == dto_tbl[idx].comp_ratio &&
org_bpp == dto_tbl[idx].org_bpp) {
*dto_n = dto_tbl[idx].dto_numerator;
*dto_d = dto_tbl[idx].dto_denominator;
return;
}
if ((comp_ratio == 2) && (org_bpp == 24)) {
*num = 1;
*denom = 2;
} else if ((comp_ratio == 2) && (org_bpp == 30)) {
*num = 5;
*denom = 8;
} else if ((comp_ratio == 3) && (org_bpp == 24)) {
*num = 1;
*denom = 3;
} else if ((comp_ratio == 3) && (org_bpp == 30)) {
*num = 5;
*denom = 12;
} else {
DP_ERR("dto params not found\n");
*num = 0;
*denom = 1;
}
}
@@ -1134,7 +1123,7 @@ static void dp_panel_dsc_prepare_pps_packet(struct dp_panel *dp_panel)
}
static void _dp_panel_dsc_get_num_extra_pclk(struct msm_display_dsc_info *dsc,
enum msm_display_compression_ratio ratio)
u8 ratio)
{
unsigned int dto_n = 0, dto_d = 0, remainder;
int ack_required, last_few_ack_required, accum_ack;
@@ -1142,8 +1131,8 @@ static void _dp_panel_dsc_get_num_extra_pclk(struct msm_display_dsc_info *dsc,
int start, temp, line_width = dsc->config.pic_width/2;
s64 temp1_fp, temp2_fp;
_dp_panel_get_dto_m_n(ratio, dsc->config.bits_per_component * 3,
&dto_n, &dto_d);
dp_panel_get_dto_params(ratio, &dto_n, &dto_d,
dsc->config.bits_per_component * 3);
ack_required = dsc->pclk_per_line;
@@ -1219,7 +1208,7 @@ static void _dp_panel_dsc_bw_overhead_calc(struct dp_panel *dp_panel,
static void dp_panel_dsc_pclk_param_calc(struct dp_panel *dp_panel,
struct msm_display_dsc_info *dsc,
enum msm_display_compression_ratio ratio,
u8 ratio,
struct dp_display_mode *dp_mode)
{
int comp_ratio, intf_width;
@@ -1238,17 +1227,8 @@ static void dp_panel_dsc_pclk_param_calc(struct dp_panel *dp_panel,
slice_per_intf = DIV_ROUND_UP(intf_width,
dsc->config.slice_width);
switch (ratio) {
case MSM_DISPLAY_COMPRESSION_RATIO_2_TO_1:
comp_ratio = 200;
break;
case MSM_DISPLAY_COMPRESSION_RATIO_3_TO_1:
comp_ratio = 300;
break;
default:
comp_ratio = 100;
break;
}
if (ratio)
comp_ratio = ratio * 100;
temp1_fp = drm_fixp_from_fraction(comp_ratio, 100);
temp2_fp = drm_fixp_from_fraction(slice_per_pkt * 8, 1);
@@ -1457,7 +1437,7 @@ static int dp_panel_dsc_prepare_basic_params(
DIV_ROUND_UP(dp_mode->timing.h_active, slice_width);
comp_info->comp_type = MSM_DISPLAY_COMPRESSION_DSC;
comp_info->comp_ratio = MSM_DISPLAY_COMPRESSION_RATIO_3_TO_1;
comp_info->comp_ratio = DP_COMPRESSION_RATIO_3_TO_1;
return 0;
}
@@ -2136,16 +2116,12 @@ static u32 _dp_panel_calc_be_in_lane(struct dp_panel *dp_panel)
if (!dp_panel->mst_state)
return be_in_lane;
switch (pinfo->comp_info.comp_ratio) {
case MSM_DISPLAY_COMPRESSION_RATIO_2_TO_1:
if (pinfo->comp_info.comp_ratio == DP_COMPRESSION_RATIO_2_TO_1)
denominator = 16; /* 2 * bits-in-byte */
break;
case MSM_DISPLAY_COMPRESSION_RATIO_3_TO_1:
else if (pinfo->comp_info.comp_ratio == DP_COMPRESSION_RATIO_3_TO_1)
denominator = 24; /* 3 * bits-in-byte */
break;
default:
denominator = 8; /* 1 * bits-in-byte */
}
else
denominator = 8;
numerator = (pinfo->h_active + pinfo->h_back_porch +
pinfo->h_front_porch + pinfo->h_sync_width) *
@@ -2205,8 +2181,8 @@ static void dp_panel_config_dsc(struct dp_panel *dp_panel, bool enable)
dsc->dsc_en = true;
dsc->dto_en = true;
_dp_panel_get_dto_m_n(comp_info->comp_ratio, pinfo->bpp,
&dsc->dto_n, &dsc->dto_d);
dp_panel_get_dto_params(comp_info->comp_ratio, &dsc->dto_n,
&dsc->dto_d, pinfo->bpp);
} else {
dsc->dsc_en = false;
dsc->dto_en = false;
@@ -2957,9 +2933,11 @@ static void dp_panel_convert_to_dp_mode(struct dp_panel *dp_panel,
dp_mode->timing.widebus_en = dp_panel->widebus_en;
dp_mode->timing.dsc_overhead_fp = 0;
if (dp_panel->dsc_en && dsc_cap) {
comp_info = &dp_mode->timing.comp_info;
comp_info = &dp_mode->timing.comp_info;
comp_info->comp_ratio = DP_COMPRESSION_RATIO_NONE;
comp_info->comp_type = MSM_DISPLAY_COMPRESSION_NONE;
if (dp_panel->dsc_en && dsc_cap) {
if (dp_panel_dsc_prepare_basic_params(comp_info,
dp_mode, dp_panel)) {
DP_DEBUG("prepare DSC basic params failed\n");