diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5381-drm-amd-display-Use-2-factor-allocator-calls.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5381-drm-amd-display-Use-2-factor-allocator-calls.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5381-drm-amd-display-Use-2-factor-allocator-calls.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5381-drm-amd-display-Use-2-factor-allocator-calls.patch new file mode 100644 index 00000000..544388a3 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5381-drm-amd-display-Use-2-factor-allocator-calls.patch @@ -0,0 +1,54 @@ +From bea846ec51341d4256c2cc400aa7dc1d619863f9 Mon Sep 17 00:00:00 2001 +From: Kees Cook <keescook@chromium.org> +Date: Wed, 4 Jul 2018 10:27:30 -0700 +Subject: [PATCH 5381/5725] drm/amd/display: Use 2-factor allocator calls + +As already done treewide, switch from open-coded multiplication to +2-factor allocation helper. + +Signed-off-by: Kees Cook <keescook@chromium.org> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Raveendra Talabattula <raveendra.talabattula@amd.com> +--- + drivers/gpu/drm/amd/display/modules/color/color_gamma.c | 10 ++++++---- + 1 file changed, 6 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +index e130aac..0fe9882 100644 +--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c ++++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +@@ -32,6 +32,8 @@ + #define NUM_REGIONS 32 + #define MAX_HW_POINTS (NUM_PTS_IN_REGION*NUM_REGIONS) + ++#define kvcalloc(n, size, gfp) kvzalloc(((n)*(size)), gfp) ++ + static struct hw_x_point coordinates_x[MAX_HW_POINTS + 2]; + + static struct fixed31_32 pq_table[MAX_HW_POINTS + 2]; +@@ -1721,8 +1723,8 @@ bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans, + kvfree(rgb_regamma); + } else if (trans == TRANSFER_FUNCTION_HLG || + trans == TRANSFER_FUNCTION_HLG12) { +- rgb_regamma = kvzalloc(sizeof(*rgb_regamma) * +- (MAX_HW_POINTS + _EXTRA_POINTS), ++ rgb_regamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS, ++ sizeof(*rgb_regamma), + GFP_KERNEL); + if (!rgb_regamma) + goto rgb_regamma_alloc_fail; +@@ -1800,8 +1802,8 @@ bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans, + kvfree(rgb_degamma); + } else if (trans == TRANSFER_FUNCTION_HLG || + trans == TRANSFER_FUNCTION_HLG12) { +- rgb_degamma = kvzalloc(sizeof(*rgb_degamma) * +- (MAX_HW_POINTS + _EXTRA_POINTS), ++ rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS, ++ sizeof(*rgb_degamma), + GFP_KERNEL); + if (!rgb_degamma) + goto rgb_degamma_alloc_fail; +-- +2.7.4 + |