Attachment 144992 Details for Bug 111306 – isl: add matching display workaround to the kernel

[patch] isl: add matching display workaround to the kernel

0001-isl-add-matching-display-workaround-to-the-kernel.patch (text/plain), 1.08 KB, created by Lionel Landwerlin on 2019-08-09 10:26:41 UTC

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Creator: Lionel Landwerlin

Created: 2019-08-09 10:26:41 UTC

Size: 1.08 KB

patch

obsolete

>From 2ef3dec5c87cd94d70133e522d7e0f42cdd04f06 Mon Sep 17 00:00:00 2001
>From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
>Date: Fri, 9 Aug 2019 13:24:22 +0300
>Subject: [PATCH] isl: add matching display workaround to the kernel
>
>Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
>---
> src/intel/isl/isl.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
>index c1b5178ce8e..680aa2f457a 100644
>--- a/src/intel/isl/isl.c
>+++ b/src/intel/isl/isl.c
>@@ -1330,6 +1330,12 @@ isl_calc_tiled_min_row_pitch(const struct isl_device *dev,
>                     tile_info->logical_extent_el.width);
> 
>    assert(alignment_B == tile_info->phys_extent_B.width);
>+   /* Display workaround WaLosslessCompressionSurfaceStride/#0531 */
>+   if (ISL_DEV_GEN(dev) == 9 &&
>+       !(surf_info->usage & ISL_SURF_USAGE_CCS_BIT) &&
>+       surf_info->width > 3840)
>+      return isl_align(total_w_tl * tile_info->phys_extent_B.width,
>+                       4 * tile_info->phys_extent_B.width);
>    return total_w_tl * tile_info->phys_extent_B.width;
> }
> 
>-- 
>2.20.1
>

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