diff options
| author | Ville Syrjälä | 2017-01-20 19:22:05 +0100 |
|---|---|---|
| committer | Ville Syrjälä | 2017-02-08 17:07:11 +0100 |
| commit | ceb993201cf270a178671611a15a3b2037434ef1 (patch) | |
| tree | 3431f124fdbcde2008e43912f2ef75e07c6ebc82 /drivers/gpu/drm/i915/intel_display.c | |
| parent | drm/i915: Replace the .modeset_commit_cdclk() hook with a more direct .set_cd... (diff) | |
| download | kernel-qcow2-linux-ceb993201cf270a178671611a15a3b2037434ef1.tar.gz kernel-qcow2-linux-ceb993201cf270a178671611a15a3b2037434ef1.tar.xz kernel-qcow2-linux-ceb993201cf270a178671611a15a3b2037434ef1.zip | |
drm/i915: Move ilk_pipe_pixel_rate() to intel_display.c
Move ilk_pipe_pixel_rate() next to its only caller
(intel_crtc_compute_pixel_rate()).
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170120182205.8141-15-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ff764878dd6b..f6259c949da2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6235,6 +6235,41 @@ static bool intel_crtc_supports_double_wide(const struct intel_crtc *crtc) (crtc->pipe == PIPE_A || IS_I915G(dev_priv)); } +static uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config) +{ + uint32_t pixel_rate; + + pixel_rate = pipe_config->base.adjusted_mode.crtc_clock; + + /* + * We only use IF-ID interlacing. If we ever use + * PF-ID we'll need to adjust the pixel_rate here. + */ + + if (pipe_config->pch_pfit.enabled) { + uint64_t pipe_w, pipe_h, pfit_w, pfit_h; + uint32_t pfit_size = pipe_config->pch_pfit.size; + + pipe_w = pipe_config->pipe_src_w; + pipe_h = pipe_config->pipe_src_h; + + pfit_w = (pfit_size >> 16) & 0xFFFF; + pfit_h = pfit_size & 0xFFFF; + if (pipe_w < pfit_w) + pipe_w = pfit_w; + if (pipe_h < pfit_h) + pipe_h = pfit_h; + + if (WARN_ON(!pfit_w || !pfit_h)) + return pixel_rate; + + pixel_rate = div_u64((uint64_t) pixel_rate * pipe_w * pipe_h, + pfit_w * pfit_h); + } + + return pixel_rate; +} + static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); |