diff options
Diffstat (limited to 'libre/linux-libre/0002-drm-i915-gt-Disable-HiZ-Raw-Stall-Optimization-on-br.patch')
| -rw-r--r-- | libre/linux-libre/0002-drm-i915-gt-Disable-HiZ-Raw-Stall-Optimization-on-br.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/libre/linux-libre/0002-drm-i915-gt-Disable-HiZ-Raw-Stall-Optimization-on-br.patch b/libre/linux-libre/0002-drm-i915-gt-Disable-HiZ-Raw-Stall-Optimization-on-br.patch deleted file mode 100644 index d52f522ad..000000000 --- a/libre/linux-libre/0002-drm-i915-gt-Disable-HiZ-Raw-Stall-Optimization-on-br.patch +++ /dev/null @@ -1,47 +0,0 @@ -From de10bb9892a9e075f4489be1495da1d6c8bc6360 Mon Sep 17 00:00:00 2001 -From: Simon Rettberg <simon.rettberg@rz.uni-freiburg.de> -Date: Mon, 26 Apr 2021 16:11:24 +0200 -Subject: [PATCH 2/2] drm/i915/gt: Disable HiZ Raw Stall Optimization on broken - gen7 - -When resetting CACHE_MODE registers, don't enable HiZ Raw Stall -Optimization on Ivybridge GT1 and Baytrail, as it causes severe glitches -when rendering any kind of 3D accelerated content. -This optimization is disabled on these platforms by default according to -official documentation from 01.org. - -Fixes: ef99a60ffd9b ("drm/i915/gt: Clear CACHE_MODE prior to clearing residuals") -BugLink: https://gitlab.freedesktop.org/drm/intel/-/issues/3081 -BugLink: https://gitlab.freedesktop.org/drm/intel/-/issues/3404 -BugLink: https://gitlab.freedesktop.org/drm/intel/-/issues/3071 -Reviewed-by: Manuel Bentele <development@manuel-bentele.de> -Signed-off-by: Simon Rettberg <simon.rettberg@rz.uni-freiburg.de> -Reviewed-by: Dave Airlie <airlied@redhat.com> -Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> -[Rodrigo removed invalid Fixes line] -Link: https://patchwork.freedesktop.org/patch/msgid/20210426161124.2b7fd708@dellnichtsogutkiste -(cherry picked from commit 929b734ad34b717d6a1b8de97f53bb5616040147) -Signed-off-by: Jani Nikula <jani.nikula@intel.com> ---- - drivers/gpu/drm/i915/gt/gen7_renderclear.c | 5 ++++- - 1 file changed, 4 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/i915/gt/gen7_renderclear.c b/drivers/gpu/drm/i915/gt/gen7_renderclear.c -index de575fdb033f..21f08e53889c 100644 ---- a/drivers/gpu/drm/i915/gt/gen7_renderclear.c -+++ b/drivers/gpu/drm/i915/gt/gen7_renderclear.c -@@ -397,7 +397,10 @@ static void emit_batch(struct i915_vma * const vma, - gen7_emit_pipeline_invalidate(&cmds); - batch_add(&cmds, MI_LOAD_REGISTER_IMM(2)); - batch_add(&cmds, i915_mmio_reg_offset(CACHE_MODE_0_GEN7)); -- batch_add(&cmds, 0xffff0000); -+ batch_add(&cmds, 0xffff0000 | -+ ((IS_IVB_GT1(i915) || IS_VALLEYVIEW(i915)) ? -+ HIZ_RAW_STALL_OPT_DISABLE : -+ 0)); - batch_add(&cmds, i915_mmio_reg_offset(CACHE_MODE_1)); - batch_add(&cmds, 0xffff0000 | PIXEL_SUBSPAN_COLLECT_OPT_DISABLE); - gen7_emit_pipeline_invalidate(&cmds); --- -2.31.1 - |