Commit 5bdb5741 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Greg Kroah-Hartman

drm/i915: Move the min_pixclk[] handling to the end of readout

commit 00b2b728 upstream.

Trying to determine the pixel rate of the pipe can't be done until we
know the clock, which means it can't be done until the encoder
.get_config() hooks have been called. So let's move the min_pixclk[]
stuff to the end of intel_modeset_readout_hw_state() when we actually
have gathered all the required infromation.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Fixes: 565602d7 ("drm/i915: Do not acquire crtc state to check clock during modeset, v4.")
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161220153902.15621-1-ville.syrjala@linux.intel.comReviewed-by: default avatarAnder Conselvan de Oliveira <conselvan2@gmail.com>
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
(cherry picked from commit aca1ebf4)
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 699fbc4c
......@@ -16749,7 +16749,6 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
for_each_intel_crtc(dev, crtc) {
struct intel_crtc_state *crtc_state = crtc->config;
int pixclk = 0;
__drm_atomic_helper_crtc_destroy_state(&crtc_state->base);
memset(crtc_state, 0, sizeof(*crtc_state));
......@@ -16761,23 +16760,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
crtc->base.enabled = crtc_state->base.enable;
crtc->active = crtc_state->base.active;
if (crtc_state->base.active) {
if (crtc_state->base.active)
dev_priv->active_crtcs |= 1 << crtc->pipe;
if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
pixclk = ilk_pipe_pixel_rate(crtc_state);
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
pixclk = crtc_state->base.adjusted_mode.crtc_clock;
else
WARN_ON(dev_priv->display.modeset_calc_cdclk);
/* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled)
pixclk = DIV_ROUND_UP(pixclk * 100, 95);
}
dev_priv->min_pixclk[crtc->pipe] = pixclk;
readout_plane_state(crtc);
DRM_DEBUG_KMS("[CRTC:%d:%s] hw state readout: %s\n",
......@@ -16851,6 +16836,8 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
}
for_each_intel_crtc(dev, crtc) {
int pixclk = 0;
crtc->base.hwmode = crtc->config->base.adjusted_mode;
memset(&crtc->base.mode, 0, sizeof(crtc->base.mode));
......@@ -16878,10 +16865,23 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
*/
crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED;
if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
pixclk = ilk_pipe_pixel_rate(crtc->config);
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
pixclk = crtc->config->base.adjusted_mode.crtc_clock;
else
WARN_ON(dev_priv->display.modeset_calc_cdclk);
/* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
if (IS_BROADWELL(dev_priv) && crtc->config->ips_enabled)
pixclk = DIV_ROUND_UP(pixclk * 100, 95);
drm_calc_timestamping_constants(&crtc->base, &crtc->base.hwmode);
update_scanline_offset(crtc);
}
dev_priv->min_pixclk[crtc->pipe] = pixclk;
intel_pipe_config_sanity_check(dev_priv, crtc->config);
}
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment