diff options
Diffstat (limited to '0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk.patch')
| -rw-r--r-- | 0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk.patch b/0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk.patch new file mode 100644 index 000000000000..1c074e3f1475 --- /dev/null +++ b/0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk.patch @@ -0,0 +1,44 @@ +From 1960609cc201fd1c99c17cade6956de06b3d3856 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com> +Date: Wed, 27 Nov 2019 22:12:09 +0200 +Subject: [PATCH 8/9] drm/i915/fbc: Disable fbc by default on all glk+ +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +We're missing a workaround in the fbc code for all glk+ platforms +which can cause corruption around the top of the screen. So +enabling fbc by default is a bad idea. I'm not keen to backport +the w/a so let's start by disabling fbc by default on all glk+. +We'll lift the restriction once the w/a is in place. + +Cc: stable@vger.kernel.org +Cc: Daniel Drake <drake@endlessm.com> +Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> +Cc: Jian-Hong Pan <jian-hong@endlessm.com> +Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> +Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> +Link: https://patchwork.freedesktop.org/patch/msgid/20191127201222.16669-2-ville.syrjala@linux.intel.com +Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> +(cherry picked from commit cd8c021b36a66833cefe2c90a79a9e312a2a5690) +Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> +--- + drivers/gpu/drm/i915/display/intel_fbc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c +index 16ed44bfd734..07a038f21619 100644 +--- a/drivers/gpu/drm/i915/display/intel_fbc.c ++++ b/drivers/gpu/drm/i915/display/intel_fbc.c +@@ -1284,7 +1284,7 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv) + return 0; + + /* https://bugs.freedesktop.org/show_bug.cgi?id=108085 */ +- if (IS_GEMINILAKE(dev_priv)) ++ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) + return 0; + + if (IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9) +-- +2.24.1 + |