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authorDave Airlie <airlied@redhat.com>2018-12-06 08:09:33 +1000
committerDave Airlie <airlied@redhat.com>2018-12-06 09:17:51 +1000
commit467e8a516dcf922d1ea343cebb0e751f81f0dca3 (patch)
treec22b6d971e922223286a4a181d6701c7d32e523d /drivers/gpu/drm/drm_dp_helper.c
parent818182dd1097fdc492aaef9b08755ea13274352d (diff)
parent4377d4e0d3d511986033ba7b4182d5a80b7f9ea2 (diff)
Merge tag 'drm-intel-next-2018-12-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
Final drm/i915 changes for v4.21: - ICL DSI video mode enabling (Madhav, Vandita, Jani, Imre) - eDP sink count fix (José) - PSR fixes (José) - DRM DP helper and i915 DSC enabling (Manasi, Gaurav, Anusha) - DP FEC enabling (Anusha) - SKL+ watermark/ddb programming improvements (Ville) - Pixel format fixes (Ville) - Selftest updates (Chris, Tvrtko) - GT and engine workaround improvements (Tvrtko) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87va496uoe.fsf@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_dp_helper.c')
-rw-r--r--drivers/gpu/drm/drm_dp_helper.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 6d483487f2b4..2d6c491a0542 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1428,17 +1428,19 @@ u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
}
EXPORT_SYMBOL(drm_dp_dsc_sink_line_buf_depth);
-u8 drm_dp_dsc_sink_max_color_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
+int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
+ u8 dsc_bpc[3])
{
+ int num_bpc = 0;
u8 color_depth = dsc_dpcd[DP_DSC_DEC_COLOR_DEPTH_CAP - DP_DSC_SUPPORT];
if (color_depth & DP_DSC_12_BPC)
- return 12;
+ dsc_bpc[num_bpc++] = 12;
if (color_depth & DP_DSC_10_BPC)
- return 10;
+ dsc_bpc[num_bpc++] = 10;
if (color_depth & DP_DSC_8_BPC)
- return 8;
+ dsc_bpc[num_bpc++] = 8;
- return 0;
+ return num_bpc;
}
-EXPORT_SYMBOL(drm_dp_dsc_sink_max_color_depth);
+EXPORT_SYMBOL(drm_dp_dsc_sink_supported_input_bpcs);