[PATCH v3 2/3] drm/i915: Refactor icl_is_hdr_plane

[Kevin Strasser]

Change the api in order to enable callers that can't supply a valid
intel_plane pointer, as would be the case prior to calling
drm_universal_plane_init.

Cc: Uma Shankar <uma.shankar at intel.com>
Cc: Shashank Sharma <shashank.sharma at intel.com>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Kevin Strasser <kevin.strasser at intel.com>
---
 drivers/gpu/drm/i915/intel_atomic.c  | 4 +++-
 drivers/gpu/drm/i915/intel_display.c | 5 +++--
 drivers/gpu/drm/i915/intel_drv.h     | 7 ++++---
 drivers/gpu/drm/i915/intel_sprite.c  | 6 +++---
 4 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 16263ad..7f824fd 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -210,6 +210,7 @@ static void intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_sta
 				      int *scaler_id)
 {
 	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+	struct intel_plane *intel_plane;
 	int j;
 	u32 mode;
 
@@ -232,10 +233,11 @@ static void intel_atomic_setup_scaler(struct intel_crtc_scaler_state *scaler_sta
 	if (plane_state && plane_state->base.fb &&
 	    plane_state->base.fb->format->is_yuv &&
 	    plane_state->base.fb->format->num_planes > 1) {
+		intel_plane = to_intel_plane(plane_state->base.plane);
 		if (IS_GEN(dev_priv, 9) &&
 		    !IS_GEMINILAKE(dev_priv)) {
 			mode = SKL_PS_SCALER_MODE_NV12;
-		} else if (icl_is_hdr_plane(to_intel_plane(plane_state->base.plane))) {
+		} else if (icl_is_hdr_plane(dev_priv, intel_plane->id)) {
 			/*
 			 * On gen11+'s HDR planes we only use the scaler for
 			 * scaling. They have a dedicated chroma upsampler, so
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4d5ec92..2d9639d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3726,7 +3726,7 @@ u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
 	plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
 	plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state);
 
-	if (fb->format->is_yuv && !icl_is_hdr_plane(plane)) {
+	if (fb->format->is_yuv && !icl_is_hdr_plane(dev_priv, plane->id)) {
 		if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
 			plane_color_ctl |= PLANE_COLOR_CSC_MODE_YUV709_TO_RGB709;
 		else
@@ -5052,13 +5052,14 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 {
 	struct intel_plane *intel_plane =
 		to_intel_plane(plane_state->base.plane);
+	struct drm_i915_private *dev_priv = to_i915(intel_plane->base.dev);
 	struct drm_framebuffer *fb = plane_state->base.fb;
 	int ret;
 	bool force_detach = !fb || !plane_state->base.visible;
 	bool need_scaler = false;
 
 	/* Pre-gen11 and SDR planes always need a scaler for planar formats. */
-	if (!icl_is_hdr_plane(intel_plane) &&
+	if (!icl_is_hdr_plane(dev_priv, intel_plane->id) &&
 	    fb && fb->format->format == DRM_FORMAT_NV12)
 		need_scaler = true;
 
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 90ba543..154901f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -2313,12 +2313,13 @@ static inline bool icl_is_nv12_y_plane(enum plane_id id)
 	return false;
 }
 
-static inline bool icl_is_hdr_plane(struct intel_plane *plane)
+static inline bool icl_is_hdr_plane(struct drm_i915_private *dev_priv,
+				    enum plane_id id)
 {
-	if (INTEL_GEN(to_i915(plane->base.dev)) < 11)
+	if (INTEL_GEN(dev_priv) < 11)
 		return false;
 
-	return plane->id < PLANE_SPRITE2;
+	return id < PLANE_SPRITE2;
 }
 
 /* intel_tv.c */
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index cd42e81..10b37e8 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -336,7 +336,7 @@ skl_program_scaler(struct intel_plane *plane,
 
 	/* TODO: handle sub-pixel coordinates */
 	if (plane_state->base.fb->format->format == DRM_FORMAT_NV12 &&
-	    !icl_is_hdr_plane(plane)) {
+	    !icl_is_hdr_plane(dev_priv, plane->id)) {
 		y_hphase = skl_scaler_calc_phase(1, hscale, false);
 		y_vphase = skl_scaler_calc_phase(1, vscale, false);
 
@@ -511,7 +511,7 @@ skl_program_plane(struct intel_plane *plane,
 	I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id),
 		      (plane_state->color_plane[1].offset - surf_addr) | aux_stride);
 
-	if (icl_is_hdr_plane(plane)) {
+	if (icl_is_hdr_plane(dev_priv, plane_id)) {
 		u32 cus_ctl = 0;
 
 		if (linked) {
@@ -536,7 +536,7 @@ skl_program_plane(struct intel_plane *plane,
 		I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id),
 			      plane_state->color_ctl);
 
-	if (fb->format->is_yuv && icl_is_hdr_plane(plane))
+	if (fb->format->is_yuv && icl_is_hdr_plane(dev_priv, plane_id))
 		icl_program_input_csc(plane, crtc_state, plane_state);
 
 	skl_write_plane_wm(plane, crtc_state);
-- 
2.7.4