[Intel-gfx] [PATCH 1/8] drm/i915: Change plane_config to store a tiling_mode

[Damien Lespiau]

Rather than having "tiled" meaning "is it X-tiled?" convert the field to
explicitely store the tiling mode. The code doesn't have to change much
as 1 is conveniently I915_TILING_X.

This is to accommodate future changes around tiling modes and scannout
buffers.

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 17 ++++++++---------
 drivers/gpu/drm/i915/intel_drv.h     |  2 +-
 drivers/gpu/drm/i915/intel_fbdev.c   |  2 +-
 3 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 92f0005..34672e8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2329,10 +2329,9 @@ static bool intel_alloc_plane_obj(struct intel_crtc *crtc,
 	if (!obj)
 		return false;
 
-	if (plane_config->tiled) {
-		obj->tiling_mode = I915_TILING_X;
+	obj->tiling_mode = plane_config->tiling;
+	if (obj->tiling_mode == I915_TILING_X)
 		obj->stride = crtc->base.primary->fb->pitches[0];
-	}
 
 	mode_cmd.pixel_format = crtc->base.primary->fb->pixel_format;
 	mode_cmd.width = crtc->base.primary->fb->width;
@@ -6470,7 +6469,7 @@ static void i9xx_get_plane_config(struct intel_crtc *crtc,
 
 	if (INTEL_INFO(dev)->gen >= 4)
 		if (val & DISPPLANE_TILED)
-			plane_config->tiled = true;
+			plane_config->tiling = I915_TILING_X;
 
 	pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
 	fourcc = intel_format_to_fourcc(pixel_format);
@@ -6479,7 +6478,7 @@ static void i9xx_get_plane_config(struct intel_crtc *crtc,
 		drm_format_plane_cpp(fourcc, 0) * 8;
 
 	if (INTEL_INFO(dev)->gen >= 4) {
-		if (plane_config->tiled)
+		if (plane_config->tiling)
 			offset = I915_READ(DSPTILEOFF(plane));
 		else
 			offset = I915_READ(DSPLINOFF(plane));
@@ -6497,7 +6496,7 @@ static void i9xx_get_plane_config(struct intel_crtc *crtc,
 	crtc->base.primary->fb->pitches[0] = val & 0xffffffc0;
 
 	aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
-					    plane_config->tiled);
+					    plane_config->tiling);
 
 	plane_config->size = PAGE_ALIGN(crtc->base.primary->fb->pitches[0] *
 					aligned_height);
@@ -7502,7 +7501,7 @@ static void ironlake_get_plane_config(struct intel_crtc *crtc,
 
 	if (INTEL_INFO(dev)->gen >= 4)
 		if (val & DISPPLANE_TILED)
-			plane_config->tiled = true;
+			plane_config->tiling = I915_TILING_X;
 
 	pixel_format = val & DISPPLANE_PIXFORMAT_MASK;
 	fourcc = intel_format_to_fourcc(pixel_format);
@@ -7514,7 +7513,7 @@ static void ironlake_get_plane_config(struct intel_crtc *crtc,
 	if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
 		offset = I915_READ(DSPOFFSET(plane));
 	} else {
-		if (plane_config->tiled)
+		if (plane_config->tiling)
 			offset = I915_READ(DSPTILEOFF(plane));
 		else
 			offset = I915_READ(DSPLINOFF(plane));
@@ -7529,7 +7528,7 @@ static void ironlake_get_plane_config(struct intel_crtc *crtc,
 	crtc->base.primary->fb->pitches[0] = val & 0xffffffc0;
 
 	aligned_height = intel_align_height(dev, crtc->base.primary->fb->height,
-					    plane_config->tiled);
+					    plane_config->tiling);
 
 	plane_config->size = PAGE_ALIGN(crtc->base.primary->fb->pitches[0] *
 					aligned_height);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d53ac23..cb431db 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -255,7 +255,7 @@ struct intel_plane_state {
 };
 
 struct intel_plane_config {
-	bool tiled;
+	unsigned int tiling;
 	int size;
 	u32 base;
 };
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index 9b584f3..1805012 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -575,7 +575,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
 		}
 
 		cur_size = intel_crtc->config.adjusted_mode.crtc_vdisplay;
-		cur_size = ALIGN(cur_size, plane_config->tiled ? (IS_GEN2(dev) ? 16 : 8) : 1);
+		cur_size = ALIGN(cur_size, plane_config->tiling ? (IS_GEN2(dev) ? 16 : 8) : 1);
 		cur_size *= fb->base.pitches[0];
 		DRM_DEBUG_KMS("pipe %c area: %dx%d, bpp: %d, size: %d\n",
 			      pipe_name(intel_crtc->pipe),
-- 
1.8.3.1