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authorImre Deak <imre.deak@intel.com>2019-12-26 00:27:41 +0100
committerImre Deak <imre.deak@intel.com>2020-01-07 12:15:35 +0100
commit577687bfaae465f2c5770892af79da2d83a0e686 (patch)
treea2639bfd8493d1cd755eb599f7115f89f245eb79 /drivers/gpu/drm/i915/display/intel_display.c
parentdrm/i915: Add debug message for FB plane[0].offset!=0 error (diff)
downloadlinux-577687bfaae465f2c5770892af79da2d83a0e686.tar.xz
linux-577687bfaae465f2c5770892af79da2d83a0e686.zip
drm/i915: Make sure plane dims are correct for UV CCS planes
As intel_fb_plane_get_subsampling() returns the subsampling factor wrt. its main plane, for a CCS plane we need to apply both the main and the CCS plane's subsampling factor on the FB's dimensions to get the CCS plane's dimensions. Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Mika Kahola <mika.kahola@intel.com> Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191231233756.18753-5-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index ab764945f34e..c4cbbd8f3fa4 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -2913,11 +2913,15 @@ intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int ccs_plane, int x, int y)
static void
intel_fb_plane_dims(int *w, int *h, struct drm_framebuffer *fb, int color_plane)
{
+ int main_plane = is_ccs_plane(fb, color_plane) ?
+ ccs_to_main_plane(fb, color_plane) : 0;
+ int main_hsub, main_vsub;
int hsub, vsub;
+ intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb, main_plane);
intel_fb_plane_get_subsampling(&hsub, &vsub, fb, color_plane);
- *w = fb->width / hsub;
- *h = fb->height / vsub;
+ *w = fb->width / main_hsub / hsub;
+ *h = fb->height / main_vsub / vsub;
}
/*