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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-07-27 15:28:56 -0400 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2016-08-22 12:23:21 -0400 |
| commit | 2d6adadf00191b2ba195ba6e8446fc35bc66a338 (patch) | |
| tree | 307586e23bdc5af1ba280b9a6c0c52d176e12ee9 | |
| parent | be17cd2e834b8ba4f38490d34a092f4e48dc96d4 (diff) | |
| download | linux-stable-2d6adadf00191b2ba195ba6e8446fc35bc66a338.tar.gz linux-stable-2d6adadf00191b2ba195ba6e8446fc35bc66a338.tar.bz2 linux-stable-2d6adadf00191b2ba195ba6e8446fc35bc66a338.zip | |
drm/radeon: fix firmware info version checks
[ Upstream commit 3edc38a0facef45ee22af8afdce3737f421f36ab ]
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
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 4 |
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 882171b411f0..ad0f9c7882c4 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1128,7 +1128,7 @@ 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 @@ -1137,7 +1137,7 @@ 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) |