From 1f36d1922a48f1f4e57cf8b5f30819c3408c4f9d Mon Sep 17 00:00:00 2001
From: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Date: Tue, 7 Sep 2021 17:06:58 +0530
Subject: drm/i915/display: Add HDR mode helper function
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Git-commit: e6e0edfdbbab30fcfe5e40c051190f556a527925
Patch-mainline: v5.16-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Add helper function with returns if HDR mode in on
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210907113658.1351456-1-tejaskumarx.surendrakumar.upadhyay@intel.com
[vsyrjala: fix up alignment to match codingstyle]
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/display/intel_display.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 854784293538..ed9217ae3305 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -183,6 +183,12 @@ static void intel_update_czclk(struct drm_i915_private *dev_priv)
dev_priv->czclk_freq);
}
+static bool is_hdr_mode(const struct intel_crtc_state *crtc_state)
+{
+ return (crtc_state->active_planes &
+ ~(icl_hdr_plane_mask() | BIT(PLANE_CURSOR))) == 0;
+}
+
/* WA Display #0827: Gen9:all */
static void
skl_wa_827(struct drm_i915_private *dev_priv, enum pipe pipe, bool enable)
@@ -5258,9 +5264,7 @@ static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state)
val |= PIPEMISC_YUV420_ENABLE |
PIPEMISC_YUV420_MODE_FULL_BLEND;
- if (DISPLAY_VER(dev_priv) >= 11 &&
- (crtc_state->active_planes & ~(icl_hdr_plane_mask() |
- BIT(PLANE_CURSOR))) == 0)
+ if (DISPLAY_VER(dev_priv) >= 11 && is_hdr_mode(crtc_state))
val |= PIPEMISC_HDR_MODE_PRECISION;
if (DISPLAY_VER(dev_priv) >= 12)
--
2.38.1