diff options
Diffstat (limited to 'SOURCES/0002-drm-i915-add-kernel-parameter-to-disable-async-page-.patch')
| -rw-r--r-- | SOURCES/0002-drm-i915-add-kernel-parameter-to-disable-async-page-.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/SOURCES/0002-drm-i915-add-kernel-parameter-to-disable-async-page-.patch b/SOURCES/0002-drm-i915-add-kernel-parameter-to-disable-async-page-.patch new file mode 100644 index 0000000..09c5674 --- /dev/null +++ b/SOURCES/0002-drm-i915-add-kernel-parameter-to-disable-async-page-.patch @@ -0,0 +1,54 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jan200101 <sentrycraft123@gmail.com> +Date: Wed, 8 Mar 2023 20:51:16 +0100 +Subject: [PATCH] drm/i915: add kernel parameter to disable async page flipping + +Signed-off-by: Jan200101 <sentrycraft123@gmail.com> +--- + drivers/gpu/drm/i915/display/intel_display.c | 2 +- + drivers/gpu/drm/i915/i915_params.c | 4 ++++ + drivers/gpu/drm/i915/i915_params.h | 3 ++- + 3 files changed, 7 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c +index de77054195c6..43dbab8c46d0 100644 +--- a/drivers/gpu/drm/i915/display/intel_display.c ++++ b/drivers/gpu/drm/i915/display/intel_display.c +@@ -8600,7 +8600,7 @@ static void intel_mode_config_init(struct drm_i915_private *i915) + mode_config->funcs = &intel_mode_funcs; + mode_config->helper_private = &intel_mode_config_funcs; + +- mode_config->async_page_flip = HAS_ASYNC_FLIPS(i915); ++ mode_config->async_page_flip = HAS_ASYNC_FLIPS(i915) && !i915->params.disable_async_page_flip; + + /* + * Maximum framebuffer dimensions, chosen to match +diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c +index d1e4d528cb17..b1281fcdc47b 100644 +--- a/drivers/gpu/drm/i915/i915_params.c ++++ b/drivers/gpu/drm/i915/i915_params.c +@@ -219,6 +219,10 @@ i915_param_named_unsafe(lmem_size, uint, 0400, + i915_param_named_unsafe(lmem_bar_size, uint, 0400, + "Set the lmem bar size(in MiB)."); + ++i915_param_named_unsafe(disable_async_page_flip, bool, 0400, ++ "Disable async page flipping" ++ "(0=disabled [default], 1=enabled)"); ++ + static __always_inline void _print_param(struct drm_printer *p, + const char *name, + const char *type, +diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h +index 2733cb6cfe09..d7b891bbd12b 100644 +--- a/drivers/gpu/drm/i915/i915_params.h ++++ b/drivers/gpu/drm/i915/i915_params.h +@@ -84,7 +84,8 @@ struct drm_printer; + param(bool, verbose_state_checks, true, 0) \ + param(bool, nuclear_pageflip, false, 0400) \ + param(bool, enable_dp_mst, true, 0600) \ +- param(bool, enable_gvt, false, IS_ENABLED(CONFIG_DRM_I915_GVT) ? 0400 : 0) ++ param(bool, enable_gvt, false, IS_ENABLED(CONFIG_DRM_I915_GVT) ? 0400 : 0) \ ++ param(bool, disable_async_page_flip, false, 0400) + + #define MEMBER(T, member, ...) T member; + struct i915_params { |