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drm/rockchip: dw-dp: use vsc sdp only output yuv420 or hdr

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Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
Change-Id: I841ae4d83814682f8d9c2843dde082ad8929c392
This commit is contained in:
Zhang Yubing
2023-04-04 18:56:24 +08:00
committed by Tao Huang
parent 5e54a1092f
commit 7481ef209d
1 changed files with 19 additions and 3 deletions
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22
drivers/gpu/drm/rockchip/dw-dp.c
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@@ -2194,13 +2194,29 @@ static int dw_dp_video_set_pixel_mode(struct dw_dp *dp, u8 pixel_mode)
return 0;
}
static bool dw_dp_video_need_vsc_sdp(struct dw_dp *dp)
{
struct dw_dp_link *link = &dp->link;
struct dw_dp_video *video = &dp->video;
if (!link->vsc_sdp_extension_for_colorimetry_supported)
return false;
if (video->color_format == DRM_COLOR_FORMAT_YCRCB420)
return true;
if (dw_dp_is_hdr_eotf(dp->eotf_type))
return true;
return false;
}
static int dw_dp_video_set_msa(struct dw_dp *dp, u8 color_format, u8 bpc,
u16 vstart, u16 hstart)
{
struct dw_dp_link *link = &dp->link;
u16 misc = 0;
if (link->vsc_sdp_extension_for_colorimetry_supported)
if (dw_dp_video_need_vsc_sdp(dp))
misc |= DP_MSA_MISC_COLOR_VSC_SDP;
switch (color_format) {
@@ -2417,7 +2433,7 @@ static int dw_dp_video_enable(struct dw_dp *dp)
regmap_update_bits(dp->regmap, DPTX_VSAMPLE_CTRL, VIDEO_STREAM_ENABLE,
FIELD_PREP(VIDEO_STREAM_ENABLE, 1));
if (link->vsc_sdp_extension_for_colorimetry_supported)
if (dw_dp_video_need_vsc_sdp(dp))
dw_dp_send_vsc_sdp(dp);
if (dw_dp_is_hdr_eotf(dp->eotf_type))