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drm/vkms: Add cursor plane support 

Add cursor plane support and update vkms_plane_atomic_check to enable
positioning cursor plane.

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/c69078820eacf3246fa77beb0c6227b692cc5e82.1536210181.git.hamohammed.sa@gmail.com
This commit is contained in:
Haneen Mohammed 2018-09-06 08:17:16 +03:00 committed by Daniel Vetter
parent 6be8f3bd2c
commit c27d931d40
3 changed files with 44 additions and 16 deletions
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11
drivers/gpu/drm/vkms/vkms_drv.h
View File

@ -7,8 +7,8 @@
#include <drm/drm_encoder.h>
#include <linux/hrtimer.h>
#define XRES_MIN 32
#define YRES_MIN 32
#define XRES_MIN 20
#define YRES_MIN 20
#define XRES_DEF 1024
#define YRES_DEF 768
@ -20,6 +20,10 @@ static const u32 vkms_formats[] = {
DRM_FORMAT_XRGB8888,
};
static const u32 vkms_cursor_formats[] = {
DRM_FORMAT_ARGB8888,
};
struct vkms_crc_data {
struct drm_rect src;
struct drm_framebuffer fb;
@ -104,7 +108,8 @@ bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
int vkms_output_init(struct vkms_device *vkmsdev);
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev);
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
enum drm_plane_type type);
/* Gem stuff */
struct drm_gem_object *vkms_gem_create(struct drm_device *dev,

16
drivers/gpu/drm/vkms/vkms_output.c
View File

@ -49,14 +49,20 @@ int vkms_output_init(struct vkms_device *vkmsdev)
struct drm_connector *connector = &output->connector;
struct drm_encoder *encoder = &output->encoder;
struct drm_crtc *crtc = &output->crtc;
struct drm_plane *primary;
struct drm_plane *primary, *cursor = NULL;
int ret;
primary = vkms_plane_init(vkmsdev);
primary = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_PRIMARY);
if (IS_ERR(primary))
return PTR_ERR(primary);
ret = vkms_crtc_init(dev, crtc, primary, NULL);
cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR);
if (IS_ERR(cursor)) {
ret = PTR_ERR(cursor);
goto err_cursor;
}
ret = vkms_crtc_init(dev, crtc, primary, cursor);
if (ret)
goto err_crtc;
@ -106,6 +112,10 @@ int vkms_output_init(struct vkms_device *vkmsdev)
drm_crtc_cleanup(crtc);
err_crtc:
drm_plane_cleanup(cursor);
err_cursor:
drm_plane_cleanup(primary);
return ret;
}

33
drivers/gpu/drm/vkms/vkms_plane.c
View File

@ -81,8 +81,8 @@ static const struct drm_plane_funcs vkms_plane_funcs = {
.atomic_destroy_state = vkms_plane_destroy_state,
};
static void vkms_primary_plane_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
static void vkms_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct vkms_plane_state *vkms_plane_state;
struct vkms_crc_data *crc_data;
@ -101,6 +101,7 @@ static int vkms_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct drm_crtc_state *crtc_state;
bool can_position = false;
int ret;
if (!state->fb | !state->crtc)
@ -110,15 +111,18 @@ static int vkms_plane_atomic_check(struct drm_plane *plane,
if (IS_ERR(crtc_state))
return PTR_ERR(crtc_state);
if (plane->type == DRM_PLANE_TYPE_CURSOR)
can_position = true;
ret = drm_atomic_helper_check_plane_state(state, crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
can_position, true);
if (ret != 0)
return ret;
/* for now primary plane must be visible and full screen */
if (!state->visible)
if (!state->visible && !can_position)
return -EINVAL;
return 0;
@ -156,15 +160,17 @@ static void vkms_cleanup_fb(struct drm_plane *plane,
}
static const struct drm_plane_helper_funcs vkms_primary_helper_funcs = {
.atomic_update = vkms_primary_plane_update,
.atomic_update = vkms_plane_atomic_update,
.atomic_check = vkms_plane_atomic_check,
.prepare_fb = vkms_prepare_fb,
.cleanup_fb = vkms_cleanup_fb,
};
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev)
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
enum drm_plane_type type)
{
struct drm_device *dev = &vkmsdev->drm;
const struct drm_plane_helper_funcs *funcs;
struct drm_plane *plane;
const u32 *formats;
int ret, nformats;
@ -173,19 +179,26 @@ struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev)
if (!plane)
return ERR_PTR(-ENOMEM);
formats = vkms_formats;
nformats = ARRAY_SIZE(vkms_formats);
if (type == DRM_PLANE_TYPE_CURSOR) {
formats = vkms_cursor_formats;
nformats = ARRAY_SIZE(vkms_cursor_formats);
funcs = &vkms_primary_helper_funcs;
} else {
formats = vkms_formats;
nformats = ARRAY_SIZE(vkms_formats);
funcs = &vkms_primary_helper_funcs;
}
ret = drm_universal_plane_init(dev, plane, 0,
&vkms_plane_funcs,
formats, nformats,
NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
NULL, type, NULL);
if (ret) {
kfree(plane);
return ERR_PTR(ret);
}
drm_plane_helper_add(plane, &vkms_primary_helper_funcs);
drm_plane_helper_add(plane, funcs);
return plane;
}