From 54679ec7f793cadaba432b2e364ea113348e77cb Mon Sep 17 00:00:00 2001 From: jc_gargma Date: Wed, 18 Dec 2019 17:30:54 -0800 Subject: Updated to 5.4.5 --- ...15-fbc-Disable-fbc-by-default-on-all-glk+.patch | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk+.patch (limited to '0008-drm-i915-fbc-Disable-fbc-by-default-on-all-glk+.patch') 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 0000000..d88f33e --- /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?= +Date: Wed, 27 Nov 2019 22:12:09 +0200 +Subject: 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 +Cc: Paulo Zanoni +Cc: Jian-Hong Pan +Cc: Maarten Lankhorst +Signed-off-by: Ville Syrjälä +Link: https://patchwork.freedesktop.org/patch/msgid/20191127201222.16669-2-ville.syrjala@linux.intel.com +Reviewed-by: Maarten Lankhorst +(cherry picked from commit cd8c021b36a66833cefe2c90a79a9e312a2a5690) +Signed-off-by: Joonas Lahtinen +--- + 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) +-- +cgit v1.2.1-1-g437b + -- cgit v1.2.1