Re: [PATCH 05/14] drm/bochs: atomic: switch planes to atomic, wire up helpers.

2018-12-20 Thread Oleksandr Andrushchenko

On 12/19/18 1:51 PM, Gerd Hoffmann wrote:

Conversion to atomic modesetting, step three.
Wire up atomic helpers.  Switch planes to atomic.

We are late to the party, the transitional helpers are gone,
so this can't be splitted into smaller steps any more.

Signed-off-by: Gerd Hoffmann 
---
  drivers/gpu/drm/bochs/bochs_fbdev.c |  3 ++
  drivers/gpu/drm/bochs/bochs_kms.c   | 70 +++--
  2 files changed, 70 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs_fbdev.c 
b/drivers/gpu/drm/bochs/bochs_fbdev.c
index dd3c7df267..d9f3d42999 100644
--- a/drivers/gpu/drm/bochs/bochs_fbdev.c
+++ b/drivers/gpu/drm/bochs/bochs_fbdev.c
@@ -6,6 +6,7 @@
   */
  
  #include "bochs.h"

+#include 
  #include 
  
  /* -- */

@@ -149,6 +150,8 @@ bochs_gem_fb_create(struct drm_device *dev, struct drm_file 
*file,
  
  const struct drm_mode_config_funcs bochs_mode_funcs = {

.fb_create = bochs_gem_fb_create,
+   .atomic_check = drm_atomic_helper_check,
+   .atomic_commit = drm_atomic_helper_commit,
  };
  
  int bochs_fbdev_init(struct bochs_device *bochs)

diff --git a/drivers/gpu/drm/bochs/bochs_kms.c 
b/drivers/gpu/drm/bochs/bochs_kms.c
index 18b705fb0b..aa3ba0377a 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -6,7 +6,9 @@
   */
  
  #include "bochs.h"

+#include 
  #include 
+#include 
  
  static int defx = 1024;

  static int defy = 768;
@@ -113,7 +115,7 @@ static int bochs_crtc_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *old_fb = crtc->primary->fb;
unsigned long irqflags;
  
-	crtc->primary->fb = fb;

+   drm_atomic_set_fb_for_plane(crtc->primary->state, fb);

Taking into account that crtc->primary access goes away in the series:
Reviewed-by: Oleksandr Andrushchenko 

bochs_crtc_mode_set_base(crtc, 0, 0, old_fb);
if (event) {
spin_lock_irqsave(>dev->event_lock, irqflags);
@@ -151,6 +153,9 @@ static const struct drm_crtc_funcs bochs_crtc_funcs = {
.set_config = drm_crtc_helper_set_config,
.destroy = drm_crtc_cleanup,
.page_flip = bochs_crtc_page_flip,
+   .reset = drm_atomic_helper_crtc_reset,
+   .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+   .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
  };
  
  static const struct drm_crtc_helper_funcs bochs_helper_funcs = {

@@ -169,6 +174,59 @@ static const uint32_t bochs_formats[] = {
DRM_FORMAT_BGRX,
  };
  
+static void bochs_plane_atomic_update(struct drm_plane *plane,

+ struct drm_plane_state *old_state)
+{
+   struct bochs_device *bochs = plane->dev->dev_private;
+   struct bochs_bo *bo;
+
+   if (!plane->state->fb)
+   return;
+   bo = gem_to_bochs_bo(plane->state->fb->obj[0]);
+   bochs_hw_setbase(bochs,
+plane->state->crtc_x,
+plane->state->crtc_y,
+bo->bo.offset);
+   bochs_hw_setformat(bochs, plane->state->fb->format);
+}
+
+static int bochs_plane_prepare_fb(struct drm_plane *plane,
+   struct drm_plane_state *new_state)
+{
+   struct bochs_bo *bo;
+
+   if (!new_state->fb)
+   return 0;
+   bo = gem_to_bochs_bo(new_state->fb->obj[0]);
+   return bochs_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL);
+}
+
+static void bochs_plane_cleanup_fb(struct drm_plane *plane,
+  struct drm_plane_state *old_state)
+{
+   struct bochs_bo *bo;
+
+   if (!old_state->fb)
+   return;
+   bo = gem_to_bochs_bo(old_state->fb->obj[0]);
+   bochs_bo_unpin(bo);
+}
+
+static const struct drm_plane_helper_funcs bochs_plane_helper_funcs = {
+   .atomic_update = bochs_plane_atomic_update,
+   .prepare_fb = bochs_plane_prepare_fb,
+   .cleanup_fb = bochs_plane_cleanup_fb,
+};
+
+static const struct drm_plane_funcs bochs_plane_funcs = {
+   .update_plane   = drm_atomic_helper_update_plane,
+   .disable_plane  = drm_atomic_helper_disable_plane,
+   .destroy= drm_primary_helper_destroy,
+   .reset  = drm_atomic_helper_plane_reset,
+   .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+   .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+};
+
  static struct drm_plane *bochs_primary_plane(struct drm_device *dev)
  {
struct drm_plane *primary;
@@ -181,16 +239,17 @@ static struct drm_plane *bochs_primary_plane(struct 
drm_device *dev)
}
  
  	ret = drm_universal_plane_init(dev, primary, 0,

-  _primary_helper_funcs,
+  _plane_funcs,
   bochs_formats,
   ARRAY_SIZE(bochs_formats),
 

[PATCH 05/14] drm/bochs: atomic: switch planes to atomic, wire up helpers.

2018-12-19 Thread Gerd Hoffmann
Conversion to atomic modesetting, step three.
Wire up atomic helpers.  Switch planes to atomic.

We are late to the party, the transitional helpers are gone,
so this can't be splitted into smaller steps any more.

Signed-off-by: Gerd Hoffmann 
---
 drivers/gpu/drm/bochs/bochs_fbdev.c |  3 ++
 drivers/gpu/drm/bochs/bochs_kms.c   | 70 +++--
 2 files changed, 70 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs_fbdev.c 
b/drivers/gpu/drm/bochs/bochs_fbdev.c
index dd3c7df267..d9f3d42999 100644
--- a/drivers/gpu/drm/bochs/bochs_fbdev.c
+++ b/drivers/gpu/drm/bochs/bochs_fbdev.c
@@ -6,6 +6,7 @@
  */
 
 #include "bochs.h"
+#include 
 #include 
 
 /* -- */
@@ -149,6 +150,8 @@ bochs_gem_fb_create(struct drm_device *dev, struct drm_file 
*file,
 
 const struct drm_mode_config_funcs bochs_mode_funcs = {
.fb_create = bochs_gem_fb_create,
+   .atomic_check = drm_atomic_helper_check,
+   .atomic_commit = drm_atomic_helper_commit,
 };
 
 int bochs_fbdev_init(struct bochs_device *bochs)
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c 
b/drivers/gpu/drm/bochs/bochs_kms.c
index 18b705fb0b..aa3ba0377a 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -6,7 +6,9 @@
  */
 
 #include "bochs.h"
+#include 
 #include 
+#include 
 
 static int defx = 1024;
 static int defy = 768;
@@ -113,7 +115,7 @@ static int bochs_crtc_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *old_fb = crtc->primary->fb;
unsigned long irqflags;
 
-   crtc->primary->fb = fb;
+   drm_atomic_set_fb_for_plane(crtc->primary->state, fb);
bochs_crtc_mode_set_base(crtc, 0, 0, old_fb);
if (event) {
spin_lock_irqsave(>dev->event_lock, irqflags);
@@ -151,6 +153,9 @@ static const struct drm_crtc_funcs bochs_crtc_funcs = {
.set_config = drm_crtc_helper_set_config,
.destroy = drm_crtc_cleanup,
.page_flip = bochs_crtc_page_flip,
+   .reset = drm_atomic_helper_crtc_reset,
+   .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+   .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
 };
 
 static const struct drm_crtc_helper_funcs bochs_helper_funcs = {
@@ -169,6 +174,59 @@ static const uint32_t bochs_formats[] = {
DRM_FORMAT_BGRX,
 };
 
+static void bochs_plane_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+   struct bochs_device *bochs = plane->dev->dev_private;
+   struct bochs_bo *bo;
+
+   if (!plane->state->fb)
+   return;
+   bo = gem_to_bochs_bo(plane->state->fb->obj[0]);
+   bochs_hw_setbase(bochs,
+plane->state->crtc_x,
+plane->state->crtc_y,
+bo->bo.offset);
+   bochs_hw_setformat(bochs, plane->state->fb->format);
+}
+
+static int bochs_plane_prepare_fb(struct drm_plane *plane,
+   struct drm_plane_state *new_state)
+{
+   struct bochs_bo *bo;
+
+   if (!new_state->fb)
+   return 0;
+   bo = gem_to_bochs_bo(new_state->fb->obj[0]);
+   return bochs_bo_pin(bo, TTM_PL_FLAG_VRAM, NULL);
+}
+
+static void bochs_plane_cleanup_fb(struct drm_plane *plane,
+  struct drm_plane_state *old_state)
+{
+   struct bochs_bo *bo;
+
+   if (!old_state->fb)
+   return;
+   bo = gem_to_bochs_bo(old_state->fb->obj[0]);
+   bochs_bo_unpin(bo);
+}
+
+static const struct drm_plane_helper_funcs bochs_plane_helper_funcs = {
+   .atomic_update = bochs_plane_atomic_update,
+   .prepare_fb = bochs_plane_prepare_fb,
+   .cleanup_fb = bochs_plane_cleanup_fb,
+};
+
+static const struct drm_plane_funcs bochs_plane_funcs = {
+   .update_plane   = drm_atomic_helper_update_plane,
+   .disable_plane  = drm_atomic_helper_disable_plane,
+   .destroy= drm_primary_helper_destroy,
+   .reset  = drm_atomic_helper_plane_reset,
+   .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+   .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+};
+
 static struct drm_plane *bochs_primary_plane(struct drm_device *dev)
 {
struct drm_plane *primary;
@@ -181,16 +239,17 @@ static struct drm_plane *bochs_primary_plane(struct 
drm_device *dev)
}
 
ret = drm_universal_plane_init(dev, primary, 0,
-  _primary_helper_funcs,
+  _plane_funcs,
   bochs_formats,
   ARRAY_SIZE(bochs_formats),
   NULL,
   DRM_PLANE_TYPE_PRIMARY, NULL);
if (ret) {
kfree(primary);
-   primary = NULL;
+