[PATCH v4 1/4] drm/bochs: pass framebuffer to bochs_hw_setbase

[Gerd Hoffmann]

Also rename bochs_hw_setbase to bochs_hw_setfb,
we have to set more than just the base address.

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 drivers/gpu/drm/bochs/bochs.h     |  5 +++--
 drivers/gpu/drm/bochs/bochs_hw.c  | 24 +++++++++++-------------
 drivers/gpu/drm/bochs/bochs_kms.c | 11 +++--------
 3 files changed, 17 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index 68483a2fc12c..ed16840411f1 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -83,8 +83,9 @@ void bochs_hw_setmode(struct bochs_device *bochs,
 		      struct drm_display_mode *mode);
 void bochs_hw_setformat(struct bochs_device *bochs,
 			const struct drm_format_info *format);
-void bochs_hw_setbase(struct bochs_device *bochs,
-		      int x, int y, int stride, u64 addr);
+void bochs_hw_setfb(struct bochs_device *bochs,
+		    struct drm_framebuffer *fb,
+		    int x, int y);
 int bochs_hw_load_edid(struct bochs_device *bochs);
 
 /* bochs_mm.c */
diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c
index e567bdfa2ab8..949930d8a92f 100644
--- a/drivers/gpu/drm/bochs/bochs_hw.c
+++ b/drivers/gpu/drm/bochs/bochs_hw.c
@@ -258,22 +258,20 @@ void bochs_hw_setformat(struct bochs_device *bochs,
 	};
 }
 
-void bochs_hw_setbase(struct bochs_device *bochs,
-		      int x, int y, int stride, u64 addr)
+void bochs_hw_setfb(struct bochs_device *bochs,
+		    struct drm_framebuffer *fb,
+		    int x, int y)
 {
-	unsigned long offset;
-	unsigned int vx, vy, vwidth;
-
-	bochs->stride = stride;
-	offset = (unsigned long)addr +
-		y * bochs->stride +
-		x * (bochs->bpp / 8);
-	vy = offset / bochs->stride;
-	vx = (offset % bochs->stride) * 8 / bochs->bpp;
-	vwidth = stride * 8 / bochs->bpp;
+	struct drm_gem_vram_object *bo = drm_gem_vram_of_gem(fb->obj[0]);
+	unsigned long offset = bo->bo.offset +
+		y * fb->pitches[0] +
+		x * fb->format->cpp[0];
+	int vy = offset / fb->pitches[0];
+	int vx = (offset % fb->pitches[0]) / fb->format->cpp[0];
+	int vwidth = fb->pitches[0] / fb->format->cpp[0];
 
 	DRM_DEBUG_DRIVER("x %d, y %d, addr %llx -> offset %lx, vx %d, vy %d\n",
-			 x, y, addr, offset, vx, vy);
+			 x, y, bo->bo.offset, offset, vx, vy);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_WIDTH, vwidth);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_X_OFFSET, vx);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_Y_OFFSET, vy);
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 02a9c1ed165b..f5d663259753 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -29,17 +29,12 @@ static const uint32_t bochs_formats[] = {
 static void bochs_plane_update(struct bochs_device *bochs,
 			       struct drm_plane_state *state)
 {
-	struct drm_gem_vram_object *gbo;
-
 	if (!state->fb || !bochs->stride)
 		return;
 
-	gbo = drm_gem_vram_of_gem(state->fb->obj[0]);
-	bochs_hw_setbase(bochs,
-			 state->crtc_x,
-			 state->crtc_y,
-			 state->fb->pitches[0],
-			 state->fb->offsets[0] + gbo->bo.offset);
+	bochs_hw_setfb(bochs, state->fb,
+		       state->crtc_x,
+		       state->crtc_y);
 	bochs_hw_setformat(bochs, state->fb->format);
 }
 
-- 
2.18.1