OSDN Git Service
(root)
/
tomoyo
/
tomoyo-test1.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
21b8a36
)
drm/radeon: improve mclk param calcuations for ci dpm
author
Alex Deucher
<alexander.deucher@amd.com>
Fri, 7 Nov 2014 17:56:00 +0000
(12:56 -0500)
committer
Alex Deucher
<alexander.deucher@amd.com>
Wed, 12 Nov 2014 16:56:40 +0000
(11:56 -0500)
Properly take into account the post divider.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/radeon/ci_dpm.c
patch
|
blob
|
history
diff --git
a/drivers/gpu/drm/radeon/ci_dpm.c
b/drivers/gpu/drm/radeon/ci_dpm.c
index
4dd8f35
..
3705d13
100644
(file)
--- a/
drivers/gpu/drm/radeon/ci_dpm.c
+++ b/
drivers/gpu/drm/radeon/ci_dpm.c
@@
-2409,10
+2409,10
@@
static int ci_calculate_mclk_params(struct radeon_device *rdev,
u32 tmp;
u32 reference_clock = rdev->clock.mpll.reference_freq;
- if (
pi->mem_gddr5
)
- freq_nom = memory_clock * 4;
+ if (
mpll_param.qdr == 1
)
+ freq_nom = memory_clock * 4
* (1 << mpll_param.post_div)
;
else
- freq_nom = memory_clock * 2;
+ freq_nom = memory_clock * 2
* (1 << mpll_param.post_div)
;
tmp = (freq_nom / reference_clock);
tmp = tmp * tmp;