diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4360-drm-amd-display-Use-int-for-calculating-vline-start.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4360-drm-amd-display-Use-int-for-calculating-vline-start.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4360-drm-amd-display-Use-int-for-calculating-vline-start.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4360-drm-amd-display-Use-int-for-calculating-vline-start.patch new file mode 100644 index 00000000..9688210d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4360-drm-amd-display-Use-int-for-calculating-vline-start.patch @@ -0,0 +1,38 @@ +From 3c0f6f60e2ce5e82eb0a33aeca9e3914c31be55c Mon Sep 17 00:00:00 2001 +From: Harry Wentland <harry.wentland@amd.com> +Date: Tue, 10 Apr 2018 16:06:34 -0400 +Subject: [PATCH 4360/5725] drm/amd/display: Use int for calculating vline + start + +We are not sure these calculations will never need negative numbers. Use +signed integers and warn and cap at 0 if this ever happens. + +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +index 2c5dbec..c734b7f 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +@@ -96,10 +96,10 @@ static void optc1_disable_stereo(struct timing_generator *optc) + static uint32_t get_start_vline(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing) + { + struct dc_crtc_timing patched_crtc_timing; +- uint32_t vesa_sync_start; +- uint32_t asic_blank_end; +- uint32_t interlace_factor; +- uint32_t vertical_line_start; ++ int vesa_sync_start; ++ int asic_blank_end; ++ int interlace_factor; ++ int vertical_line_start; + + patched_crtc_timing = *dc_crtc_timing; + optc1_apply_front_porch_workaround(optc, &patched_crtc_timing); +-- +2.7.4 + |