diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2015-02-03 14:25:14 +0000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-02-13 23:28:30 +0100 |
| commit | 2db59d530777b76f6b7944e0bfa43c9fede10b10 (patch) | |
| tree | 95cb24dcc2eaf95058dde5dc2d685b86216ca008 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | 72603ec0e2db745978a8f126307fe857f9a1ddc9 (diff) | |
| download | lwn-2db59d530777b76f6b7944e0bfa43c9fede10b10.tar.gz lwn-2db59d530777b76f6b7944e0bfa43c9fede10b10.zip | |
drm/i915: Detect eDRAM with the enabled bit only
At the moment we compare the whole EDRAM_PRESENT/EDRAMCAP register value
to 1 while EDRAM_PRESENT is only bit 0 (the rest may be used to describe
eDRAM capabilities).
To be more future proof, only look at bit 0 to detect eDRAM presence.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f13e4e4f29e2..5de6cf450e1a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5994,6 +5994,7 @@ enum skl_disp_power_wells { #define HSW_IDICR 0x9008 #define IDIHASHMSK(x) (((x) & 0x3f) << 16) #define HSW_EDRAM_PRESENT 0x120010 +#define EDRAM_ENABLED 0x1 #define GEN6_UCGCTL1 0x9400 # define GEN6_EU_TCUNIT_CLOCK_GATE_DISABLE (1 << 16) |