diff options
| author |   Vandita Kulkarni <vandita.kulkarni@intel.com> | 2019-05-02 20:41:00 +0530 |
|---|---|---|
| committer |   Jani Nikula <jani.nikula@intel.com> | 2019-05-14 10:36:33 +0300 |
| commit | 8ae897435f0ad3bd0abe8c443d53a4c50d093550 (patch) | |
| tree | 214ec2ffa5f8c2e5fafb576759a44f110d37062f /drivers/gpu/drm/i915/intel_display.c | |
| parent | drm/i915: Fix the pipe state timing mismatch warnings (diff) | |
| download | linux-dev-8ae897435f0ad3bd0abe8c443d53a4c50d093550.tar.xz linux-dev-8ae897435f0ad3bd0abe8c443d53a4c50d093550.zip | |
drm/i915: Refactor bdw_get_pipemisc_bpp
Move bdw_get_pipemisc_bpp alongside bdw_set_pipemisc
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1556809862-31203-2-git-send-email-vandita.kulkarni@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b66acfcff057..8f3c3894e11d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8961,6 +8961,28 @@ static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state) I915_WRITE(PIPEMISC(crtc->pipe), val); } +int bdw_get_pipemisc_bpp(struct intel_crtc *crtc) +{ + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + u32 tmp; + + tmp = I915_READ(PIPEMISC(crtc->pipe)); + + switch (tmp & PIPEMISC_DITHER_BPC_MASK) { + case PIPEMISC_DITHER_6_BPC: + return 18; + case PIPEMISC_DITHER_8_BPC: + return 24; + case PIPEMISC_DITHER_10_BPC: + return 30; + case PIPEMISC_DITHER_12_BPC: + return 36; + default: + MISSING_CASE(tmp); + return 0; + } +} + int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) { /* |