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| author | Lee Jones <lee.jones@linaro.org> | 2021-03-19 08:24:15 +0000 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:38:12 -0400 |
| commit | 2be8989d0fc29659b2b05580dd280a75212c46b7 (patch) | |
| tree | c6f906c88dac164eed673fda4458749e530f95f0 | |
| parent | 2b8d0f1f3e501149f6df7975232f9e09e42680d2 (diff) | |
| download | linux-2be8989d0fc29659b2b05580dd280a75212c46b7.tar.gz linux-2be8989d0fc29659b2b05580dd280a75212c46b7.tar.bz2 linux-2be8989d0fc29659b2b05580dd280a75212c46b7.zip | |
drm/amd/display/dc/calcs/dce_calcs: Move some large variables from the stack to the heap
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c: In function ‘calculate_bandwidth’:
drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dce_calcs.c:2016:1: warning: the frame size of 1216 bytes is larger than 1024 bytes [-Wframe-larger-than=]
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c index e633f8a51edb..9d8f2505a61c 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c @@ -98,16 +98,16 @@ static void calculate_bandwidth( int32_t num_cursor_lines; int32_t i, j, k; - struct bw_fixed yclk[3]; - struct bw_fixed sclk[8]; + struct bw_fixed *yclk; + struct bw_fixed *sclk; bool d0_underlay_enable; bool d1_underlay_enable; bool fbc_enabled; bool lpt_enabled; enum bw_defines sclk_message; enum bw_defines yclk_message; - enum bw_defines tiling_mode[maximum_number_of_surfaces]; - enum bw_defines surface_type[maximum_number_of_surfaces]; + enum bw_defines *tiling_mode; + enum bw_defines *surface_type; enum bw_defines voltage; enum bw_defines pipe_check; enum bw_defines hsr_check; @@ -122,6 +122,22 @@ static void calculate_bandwidth( int32_t number_of_displays_enabled_with_margin = 0; int32_t number_of_aligned_displays_with_no_margin = 0; + yclk = kcalloc(3, sizeof(*yclk), GFP_KERNEL); + if (!yclk) + return; + + sclk = kcalloc(8, sizeof(*sclk), GFP_KERNEL); + if (!sclk) + goto free_yclk; + + tiling_mode = kcalloc(maximum_number_of_surfaces, sizeof(*tiling_mode), GFP_KERNEL); + if (!tiling_mode) + goto free_sclk; + + surface_type = kcalloc(maximum_number_of_surfaces, sizeof(*surface_type), GFP_KERNEL); + if (!surface_type) + goto free_tiling_mode; + yclk[low] = vbios->low_yclk; yclk[mid] = vbios->mid_yclk; yclk[high] = vbios->high_yclk; @@ -2013,6 +2029,14 @@ static void calculate_bandwidth( } } } + + kfree(surface_type); +free_tiling_mode: + kfree(tiling_mode); +free_yclk: + kfree(yclk); +free_sclk: + kfree(sclk); } /******************************************************************************* |