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authorAlex Deucher <alexander.deucher@amd.com>2016-07-27 15:28:56 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-07-28 10:07:07 -0400
commit3edc38a0facef45ee22af8afdce3737f421f36ab (patch)
tree766226d0f5b1bdedc8258f90f1fe4c4676b96770 /drivers/gpu/drm/radeon
parent162b20d2f9ef9dfa833cc329b1e8957beb672349 (diff)
drm/radeon: fix firmware info version checks
Some of the checks didn't handle frev 2 tables properly. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index f8097a0e7a79..5df3ec73021b 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1155,7 +1155,7 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
le16_to_cpu(firmware_info->info.usReferenceClock);
p1pll->reference_div = 0;
- if (crev < 2)
+ if ((frev < 2) && (crev < 2))
p1pll->pll_out_min =
le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
else
@@ -1164,7 +1164,7 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
p1pll->pll_out_max =
le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
- if (crev >= 4) {
+ if (((frev < 2) && (crev >= 4)) || (frev >= 2)) {
p1pll->lcd_pll_out_min =
le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
if (p1pll->lcd_pll_out_min == 0)