diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2016-07-27 15:28:56 -0400 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2016-11-20 01:01:29 +0000 |
| commit | dc640fc945559930afb520b20c429e4a9db4561f (patch) | |
| tree | 8ed7722d509bfb0cf4094e6298c1bd40405b06fd /drivers/gpu | |
| parent | 51a8ffefe4ae40fdf8ab3b5ceb86f76231b94948 (diff) | |
drm/radeon: fix firmware info version checks
commit 3edc38a0facef45ee22af8afdce3737f421f36ab upstream.
Some of the checks didn't handle frev 2 tables properly.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/gpu')
| -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 473bd330032e..fde52a05d919 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1138,7 +1138,7 @@ 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 @@ -1147,7 +1147,7 @@ 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) |