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drm/i915/dp: move eDP VBT bpp clamping code to intel_dp_compute_bpp()
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Keep related things together. No functional changes.

v2: Fix a typo in patch subject, fix a checkpatch alignment warning.

Reviewed-by: Manasi Navare <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/f24d44547a586a0e342f24e69ab4d576a2474891.1524730974.git.jani.nikula@intel.com
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jnikula committed Apr 26, 2018
1 parent 981a63e commit ef32659
Showing 1 changed file with 13 additions and 11 deletions.
24 changes: 13 additions & 11 deletions drivers/gpu/drm/i915/intel_dp.c
Original file line number Diff line number Diff line change
Expand Up @@ -1650,6 +1650,8 @@ void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
static int intel_dp_compute_bpp(struct intel_dp *intel_dp,
struct intel_crtc_state *pipe_config)
{
struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp));
struct intel_connector *intel_connector = intel_dp->attached_connector;
int bpp, bpc;

bpp = pipe_config->pipe_bpp;
Expand All @@ -1665,6 +1667,17 @@ static int intel_dp_compute_bpp(struct intel_dp *intel_dp,
DRM_DEBUG_KMS("Setting pipe_bpp to %d\n",
pipe_config->pipe_bpp);
}

if (intel_dp_is_edp(intel_dp)) {
/* Get bpp from vbt only for panels that dont have bpp in edid */
if (intel_connector->base.display_info.bpc == 0 &&
dev_priv->vbt.edp.bpp && dev_priv->vbt.edp.bpp < bpp) {
DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided %i\n",
dev_priv->vbt.edp.bpp);
bpp = dev_priv->vbt.edp.bpp;
}
}

return bpp;
}

Expand All @@ -1689,10 +1702,8 @@ static bool
intel_dp_compute_link_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
struct intel_connector *intel_connector = intel_dp->attached_connector;
int lane_count, clock;
int min_lane_count = 1;
int max_lane_count = intel_dp_max_lane_count(intel_dp);
Expand Down Expand Up @@ -1735,15 +1746,6 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
* bpc in between. */
bpp = intel_dp_compute_bpp(intel_dp, pipe_config);
if (intel_dp_is_edp(intel_dp)) {

/* Get bpp from vbt only for panels that dont have bpp in edid */
if (intel_connector->base.display_info.bpc == 0 &&
(dev_priv->vbt.edp.bpp && dev_priv->vbt.edp.bpp < bpp)) {
DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided %i\n",
dev_priv->vbt.edp.bpp);
bpp = dev_priv->vbt.edp.bpp;
}

/*
* Use the maximum clock and number of lanes the eDP panel
* advertizes being capable of. The panels are generally
Expand Down

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