diff options
| author | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2019-12-21 14:05:35 +0200 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2019-12-23 13:50:55 +0200 |
| commit | 86f236bbbd880edb6e7224d121134378a8ef770e (patch) | |
| tree | 64e28bbc661f93c8adde7f7fecd79a32409c67f2 /drivers/gpu | |
| parent | 021a411684c808aa4e5c9fa7103c704d5f381a8b (diff) | |
drm/i915: Move CCS stride alignment W/A inside intel_fb_stride_alignment
Easier to read if all the alignment changes are in one place and contained
within a function.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191221120543.22816-3-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 99c8761e230b..5492946c0d2e 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -2590,7 +2590,22 @@ intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane) else return 64; } else { - return intel_tile_width_bytes(fb, color_plane); + u32 tile_width = intel_tile_width_bytes(fb, color_plane); + + /* + * Display WA #0531: skl,bxt,kbl,glk + * + * Render decompression and plane width > 3840 + * combined with horizontal panning requires the + * plane stride to be a multiple of 4. We'll just + * require the entire fb to accommodate that to avoid + * potential runtime errors at plane configuration time. + */ + if (IS_GEN(dev_priv, 9) && is_ccs_modifier(fb->modifier) && + color_plane == 0 && fb->width > 3840) + tile_width *= 4; + + return tile_width; } } @@ -16346,20 +16361,6 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb, } stride_alignment = intel_fb_stride_alignment(fb, i); - - /* - * Display WA #0531: skl,bxt,kbl,glk - * - * Render decompression and plane width > 3840 - * combined with horizontal panning requires the - * plane stride to be a multiple of 4. We'll just - * require the entire fb to accommodate that to avoid - * potential runtime errors at plane configuration time. - */ - if (IS_GEN(dev_priv, 9) && i == 0 && fb->width > 3840 && - is_ccs_modifier(fb->modifier)) - stride_alignment *= 4; - if (fb->pitches[i] & (stride_alignment - 1)) { DRM_DEBUG_KMS("plane %d pitch (%d) must be at least %u byte aligned\n", i, fb->pitches[i], stride_alignment); |