diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1744-drm-amd-display-fix-dp_hdmi_max_pixel_clk-units.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1744-drm-amd-display-fix-dp_hdmi_max_pixel_clk-units.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1744-drm-amd-display-fix-dp_hdmi_max_pixel_clk-units.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1744-drm-amd-display-fix-dp_hdmi_max_pixel_clk-units.patch new file mode 100644 index 00000000..db9868b9 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1744-drm-amd-display-fix-dp_hdmi_max_pixel_clk-units.patch @@ -0,0 +1,74 @@ +From 61a60d2ccb12ea217f5e4e74f7af5f8e42d43b2d Mon Sep 17 00:00:00 2001 +From: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> +Date: Tue, 19 Mar 2019 15:21:50 -0400 +Subject: [PATCH 1744/2940] drm/amd/display: fix dp_hdmi_max_pixel_clk units + +[Why] +We are incorrectly using dp_hdmi_max_pixel_clk because the units are not clear. + +[How] +Rename to dp_hdmi_max_pixel_clk_in_khz, and change mode timing validation to use +the value correctly. + +Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com> +Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 +- + drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 6 +++--- + drivers/gpu/drm/amd/display/dc/dc_types.h | 2 +- + 3 files changed, 5 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c +index dd6e5f0fdf5e..b369da078b2f 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c +@@ -2150,7 +2150,7 @@ static bool dp_active_dongle_validate_timing( + return false; + } + +- if (get_timing_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk * 10)) ++ if (get_timing_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10)) + return false; + + return true; +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +index 063d019a3f6f..528c9625b5c0 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +@@ -2304,8 +2304,8 @@ static void get_active_converter_info( + hdmi_caps = {.raw = det_caps[3] }; + union dwnstream_port_caps_byte2 + hdmi_color_caps = {.raw = det_caps[2] }; +- link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk = +- det_caps[1] * 25000; ++ link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk_in_khz = ++ det_caps[1] * 2500; + + link->dpcd_caps.dongle_caps.is_dp_hdmi_s3d_converter = + hdmi_caps.bits.FRAME_SEQ_TO_FRAME_PACK; +@@ -2322,7 +2322,7 @@ static void get_active_converter_info( + translate_dpcd_max_bpc( + hdmi_color_caps.bits.MAX_BITS_PER_COLOR_COMPONENT); + +- if (link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk != 0) ++ if (link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk_in_khz != 0) + link->dpcd_caps.dongle_caps.extendedCapValid = true; + } + +diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h +index 130d039ae137..7402f5ada8b6 100644 +--- a/drivers/gpu/drm/amd/display/dc/dc_types.h ++++ b/drivers/gpu/drm/amd/display/dc/dc_types.h +@@ -404,7 +404,7 @@ struct dc_dongle_caps { + bool is_dp_hdmi_ycbcr422_converter; + bool is_dp_hdmi_ycbcr420_converter; + uint32_t dp_hdmi_max_bpc; +- uint32_t dp_hdmi_max_pixel_clk; ++ uint32_t dp_hdmi_max_pixel_clk_in_khz; + }; + /* Scaling format */ + enum scaling_transformation { +-- +2.17.1 + |