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* [PATCH v4 1/4] drm/bochs: pass framebuffer to bochs_hw_setbase
       [not found] <20190822065041.11941-1-kraxel@redhat.com>
@ 2019-08-22  6:50 ` Gerd Hoffmann
  2019-08-22  6:50 ` [PATCH v4 2/4] drm/bochs: drop yres_virtual from struct bochs_device Gerd Hoffmann
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 4+ messages in thread
From: Gerd Hoffmann @ 2019-08-22  6:50 UTC (permalink / raw)
  To: dri-devel
  Cc: tzimmermann, Gerd Hoffmann, David Airlie, Daniel Vetter,
	open list:DRM DRIVER FOR BOCHS VIRTUAL GPU, open list

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@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


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH v4 2/4] drm/bochs: drop yres_virtual from struct bochs_device
       [not found] <20190822065041.11941-1-kraxel@redhat.com>
  2019-08-22  6:50 ` [PATCH v4 1/4] drm/bochs: pass framebuffer to bochs_hw_setbase Gerd Hoffmann
@ 2019-08-22  6:50 ` Gerd Hoffmann
  2019-08-22  6:50 ` [PATCH v4 3/4] drm/bochs: drop stride and bpp " Gerd Hoffmann
  2019-08-22  6:50 ` [PATCH v4 4/4] drm/bochs: move bochs_hw_setformat() call Gerd Hoffmann
  3 siblings, 0 replies; 4+ messages in thread
From: Gerd Hoffmann @ 2019-08-22  6:50 UTC (permalink / raw)
  To: dri-devel
  Cc: tzimmermann, Gerd Hoffmann, David Airlie, Daniel Vetter,
	open list:DRM DRIVER FOR BOCHS VIRTUAL GPU, open list

Not needed, writing to VBE_DISPI_INDEX_VIRT_HEIGHT has no effect anyway.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 drivers/gpu/drm/bochs/bochs.h    | 1 -
 drivers/gpu/drm/bochs/bochs_hw.c | 8 ++------
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index ed16840411f1..6aae494ffbe8 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -62,7 +62,6 @@ struct bochs_device {
 	/* mode */
 	u16 xres;
 	u16 yres;
-	u16 yres_virtual;
 	u32 stride;
 	u32 bpp;
 	struct edid *edid;
diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c
index 949930d8a92f..2657b2e6e4d8 100644
--- a/drivers/gpu/drm/bochs/bochs_hw.c
+++ b/drivers/gpu/drm/bochs/bochs_hw.c
@@ -211,11 +211,9 @@ void bochs_hw_setmode(struct bochs_device *bochs,
 	bochs->yres = mode->vdisplay;
 	bochs->bpp = 32;
 	bochs->stride = mode->hdisplay * (bochs->bpp / 8);
-	bochs->yres_virtual = bochs->fb_size / bochs->stride;
 
-	DRM_DEBUG_DRIVER("%dx%d @ %d bpp, vy %d\n",
-			 bochs->xres, bochs->yres, bochs->bpp,
-			 bochs->yres_virtual);
+	DRM_DEBUG_DRIVER("%dx%d @ %d bpp\n",
+			 bochs->xres, bochs->yres, bochs->bpp);
 
 	bochs_vga_writeb(bochs, 0x3c0, 0x20); /* unblank */
 
@@ -225,8 +223,6 @@ void bochs_hw_setmode(struct bochs_device *bochs,
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_YRES,        bochs->yres);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BANK,        0);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_WIDTH,  bochs->xres);
-	bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_HEIGHT,
-			  bochs->yres_virtual);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_X_OFFSET,    0);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_Y_OFFSET,    0);
 
-- 
2.18.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH v4 3/4] drm/bochs: drop stride and bpp from struct bochs_device
       [not found] <20190822065041.11941-1-kraxel@redhat.com>
  2019-08-22  6:50 ` [PATCH v4 1/4] drm/bochs: pass framebuffer to bochs_hw_setbase Gerd Hoffmann
  2019-08-22  6:50 ` [PATCH v4 2/4] drm/bochs: drop yres_virtual from struct bochs_device Gerd Hoffmann
@ 2019-08-22  6:50 ` Gerd Hoffmann
  2019-08-22  6:50 ` [PATCH v4 4/4] drm/bochs: move bochs_hw_setformat() call Gerd Hoffmann
  3 siblings, 0 replies; 4+ messages in thread
From: Gerd Hoffmann @ 2019-08-22  6:50 UTC (permalink / raw)
  To: dri-devel
  Cc: tzimmermann, Gerd Hoffmann, David Airlie, Daniel Vetter,
	open list:DRM DRIVER FOR BOCHS VIRTUAL GPU, open list

No need to store these values.  bpp is fixed (32) anyway.
We lookup the stride from struct drm_framebuffer if needed.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 drivers/gpu/drm/bochs/bochs.h     | 2 --
 drivers/gpu/drm/bochs/bochs_hw.c  | 8 +++-----
 drivers/gpu/drm/bochs/bochs_kms.c | 2 +-
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index 6aae494ffbe8..fa36a358a5dc 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -62,8 +62,6 @@ struct bochs_device {
 	/* mode */
 	u16 xres;
 	u16 yres;
-	u32 stride;
-	u32 bpp;
 	struct edid *edid;
 
 	/* drm */
diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c
index 2657b2e6e4d8..0749e9de1a4d 100644
--- a/drivers/gpu/drm/bochs/bochs_hw.c
+++ b/drivers/gpu/drm/bochs/bochs_hw.c
@@ -209,16 +209,14 @@ void bochs_hw_setmode(struct bochs_device *bochs,
 {
 	bochs->xres = mode->hdisplay;
 	bochs->yres = mode->vdisplay;
-	bochs->bpp = 32;
-	bochs->stride = mode->hdisplay * (bochs->bpp / 8);
 
-	DRM_DEBUG_DRIVER("%dx%d @ %d bpp\n",
-			 bochs->xres, bochs->yres, bochs->bpp);
+	DRM_DEBUG_DRIVER("%dx%d\n",
+			 bochs->xres, bochs->yres);
 
 	bochs_vga_writeb(bochs, 0x3c0, 0x20); /* unblank */
 
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_ENABLE,      0);
-	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BPP,         bochs->bpp);
+	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BPP,         32);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_XRES,        bochs->xres);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_YRES,        bochs->yres);
 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BANK,        0);
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index f5d663259753..334e458cbc31 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -29,7 +29,7 @@ static const uint32_t bochs_formats[] = {
 static void bochs_plane_update(struct bochs_device *bochs,
 			       struct drm_plane_state *state)
 {
-	if (!state->fb || !bochs->stride)
+	if (!state->fb)
 		return;
 
 	bochs_hw_setfb(bochs, state->fb,
-- 
2.18.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH v4 4/4] drm/bochs: move bochs_hw_setformat() call
       [not found] <20190822065041.11941-1-kraxel@redhat.com>
                   ` (2 preceding siblings ...)
  2019-08-22  6:50 ` [PATCH v4 3/4] drm/bochs: drop stride and bpp " Gerd Hoffmann
@ 2019-08-22  6:50 ` Gerd Hoffmann
  3 siblings, 0 replies; 4+ messages in thread
From: Gerd Hoffmann @ 2019-08-22  6:50 UTC (permalink / raw)
  To: dri-devel
  Cc: tzimmermann, Gerd Hoffmann, David Airlie, Daniel Vetter,
	open list:DRM DRIVER FOR BOCHS VIRTUAL GPU, open list

Call it from bochs_hw_setfb().
This also allows to make bochs_hw_setformat static.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 drivers/gpu/drm/bochs/bochs.h     | 2 --
 drivers/gpu/drm/bochs/bochs_hw.c  | 5 +++--
 drivers/gpu/drm/bochs/bochs_kms.c | 1 -
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index fa36a358a5dc..50fda96444e1 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -78,8 +78,6 @@ void bochs_hw_fini(struct drm_device *dev);
 
 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_setfb(struct bochs_device *bochs,
 		    struct drm_framebuffer *fb,
 		    int x, int y);
diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c
index 0749e9de1a4d..da68072be6ae 100644
--- a/drivers/gpu/drm/bochs/bochs_hw.c
+++ b/drivers/gpu/drm/bochs/bochs_hw.c
@@ -228,8 +228,8 @@ void bochs_hw_setmode(struct bochs_device *bochs,
 			  VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);
 }
 
-void bochs_hw_setformat(struct bochs_device *bochs,
-			const struct drm_format_info *format)
+static void bochs_hw_setformat(struct bochs_device *bochs,
+			       const struct drm_format_info *format)
 {
 	DRM_DEBUG_DRIVER("format %c%c%c%c\n",
 			 (format->format >>  0) & 0xff,
@@ -269,4 +269,5 @@ void bochs_hw_setfb(struct bochs_device *bochs,
 	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);
+	bochs_hw_setformat(bochs, fb->format);
 }
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 334e458cbc31..d02104fddf82 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -35,7 +35,6 @@ static void bochs_plane_update(struct bochs_device *bochs,
 	bochs_hw_setfb(bochs, state->fb,
 		       state->crtc_x,
 		       state->crtc_y);
-	bochs_hw_setformat(bochs, state->fb->format);
 }
 
 static void bochs_pipe_enable(struct drm_simple_display_pipe *pipe,
-- 
2.18.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2019-08-22  6:50 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <20190822065041.11941-1-kraxel@redhat.com>
2019-08-22  6:50 ` [PATCH v4 1/4] drm/bochs: pass framebuffer to bochs_hw_setbase Gerd Hoffmann
2019-08-22  6:50 ` [PATCH v4 2/4] drm/bochs: drop yres_virtual from struct bochs_device Gerd Hoffmann
2019-08-22  6:50 ` [PATCH v4 3/4] drm/bochs: drop stride and bpp " Gerd Hoffmann
2019-08-22  6:50 ` [PATCH v4 4/4] drm/bochs: move bochs_hw_setformat() call Gerd Hoffmann

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