diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-07 12:10:43 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-09-07 21:12:32 +0300 |
| commit | 9988db59b1d000c6ac7e91144f550603626593a4 (patch) | |
| tree | 01609f379110830987b61062a4b11a0461e339b7 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | drm/i915: Shuffle some PLL code around (diff) | |
| download | linux-dev-9988db59b1d000c6ac7e91144f550603626593a4.tar.xz linux-dev-9988db59b1d000c6ac7e91144f550603626593a4.zip | |
drm/i915: Extract HAS_DOUBLE_BUFFERED_M_N()
We have a couple of places that want to make distinction between
double buffered M/N registers vs. the split M1/N1+M2/N2 registers.
Add a helper for that.
v2: Turn into a HAS_ macro (Jani)
Reviewed-by: Jani Nikula <jani.nikula@intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907091057.11572-4-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index cc45eb759ba7..717c702d2aaf 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -868,6 +868,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_DP_MST(dev_priv) (INTEL_INFO(dev_priv)->display.has_dp_mst) #define HAS_DP20(dev_priv) (IS_DG2(dev_priv) || DISPLAY_VER(dev_priv) >= 14) +#define HAS_DOUBLE_BUFFERED_M_N(dev_priv) (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv)) + #define HAS_CDCLK_CRAWL(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_crawl) #define HAS_DDI(dev_priv) (INTEL_INFO(dev_priv)->display.has_ddi) #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg) |