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drm/msm: Move GEM BOs to drm_framebuffer

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Since drm_framebuffer can now store GEM objects directly, place them
there rather than in our own subclass. As this makes the framebuffer
create_handle function the same as the GEM framebuffer helper, we
can reuse that.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20180330141138.28987-21-daniels@collabora.com
This commit is contained in:
Daniel Stone 2018-03-30 15:11:35 +01:00
parent bc61c97502
commit 0802050965
1 changed files with 11 additions and 43 deletions
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54
drivers/gpu/drm/msm/msm_fb.c
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@ -17,6 +17,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include "msm_drv.h"
#include "msm_kms.h"
@ -25,49 +26,20 @@
struct msm_framebuffer {
struct drm_framebuffer base;
const struct msm_format *format;
struct drm_gem_object *planes[MAX_PLANE];
};
#define to_msm_framebuffer(x) container_of(x, struct msm_framebuffer, base)
static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
static int msm_framebuffer_create_handle(struct drm_framebuffer *fb,
struct drm_file *file_priv,
unsigned int *handle)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
return drm_gem_handle_create(file_priv,
msm_fb->planes[0], handle);
}
static void msm_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
int i, n = fb->format->num_planes;
DBG("destroy: FB ID: %d (%p)", fb->base.id, fb);
drm_framebuffer_cleanup(fb);
for (i = 0; i < n; i++) {
struct drm_gem_object *bo = msm_fb->planes[i];
drm_gem_object_put_unlocked(bo);
}
kfree(msm_fb);
}
static const struct drm_framebuffer_funcs msm_framebuffer_funcs = {
.create_handle = msm_framebuffer_create_handle,
.destroy = msm_framebuffer_destroy,
.create_handle = drm_gem_fb_create_handle,
.destroy = drm_gem_fb_destroy,
};
#ifdef CONFIG_DEBUG_FS
void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
int i, n = fb->format->num_planes;
seq_printf(m, "fb: %dx%d@%4.4s (%2d, ID:%d)\n",
@ -77,7 +49,7 @@ void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m)
for (i = 0; i < n; i++) {
seq_printf(m, " %d: offset=%d pitch=%d, obj: ",
i, fb->offsets[i], fb->pitches[i]);
msm_gem_describe(msm_fb->planes[i], m);
msm_gem_describe(fb->obj[i], m);
}
}
#endif
@ -90,12 +62,11 @@ void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m)
int msm_framebuffer_prepare(struct drm_framebuffer *fb,
struct msm_gem_address_space *aspace)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
int ret, i, n = fb->format->num_planes;
uint64_t iova;
for (i = 0; i < n; i++) {
ret = msm_gem_get_iova(msm_fb->planes[i], aspace, &iova);
ret = msm_gem_get_iova(fb->obj[i], aspace, &iova);
DBG("FB[%u]: iova[%d]: %08llx (%d)", fb->base.id, i, iova, ret);
if (ret)
return ret;
@ -107,26 +78,23 @@ int msm_framebuffer_prepare(struct drm_framebuffer *fb,
void msm_framebuffer_cleanup(struct drm_framebuffer *fb,
struct msm_gem_address_space *aspace)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
int i, n = fb->format->num_planes;
for (i = 0; i < n; i++)
msm_gem_put_iova(msm_fb->planes[i], aspace);
msm_gem_put_iova(fb->obj[i], aspace);
}
uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb,
struct msm_gem_address_space *aspace, int plane)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
if (!msm_fb->planes[plane])
if (!fb->obj[plane])
return 0;
return msm_gem_iova(msm_fb->planes[plane], aspace) + fb->offsets[plane];
return msm_gem_iova(fb->obj[plane], aspace) + fb->offsets[plane];
}
struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane)
{
struct msm_framebuffer *msm_fb = to_msm_framebuffer(fb);
return msm_fb->planes[plane];
return drm_gem_fb_get_obj(fb, plane);
}
const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb)
@ -202,7 +170,7 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
msm_fb->format = format;
if (n > ARRAY_SIZE(msm_fb->planes)) {
if (n > ARRAY_SIZE(fb->obj)) {
ret = -EINVAL;
goto fail;
}
@ -221,7 +189,7 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
goto fail;
}
msm_fb->planes[i] = bos[i];
msm_fb->base.obj[i] = bos[i];
}
drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);