modesetting: Add support for multi-plane pixmaps when page-flipping

This allows the uses of CCS compressed or tiled pixmaps as BOs when
page-flipping.

Signed-off-by: Louis-Francis Ratté-Boulianne <lfrb@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Louis-Francis Ratté-Boulianne 2018-02-28 01:19:38 +00:00 committed by Adam Jackson
parent 4023d53734
commit 2f807c2324
3 changed files with 62 additions and 7 deletions

View File

@ -39,6 +39,8 @@
#include "micmap.h"
#include "xf86cmap.h"
#include "xf86DDC.h"
#include <drm_fourcc.h>
#include <drm_mode.h>
#include <xf86drm.h>
#include "xf86Crtc.h"
@ -376,10 +378,57 @@ drmmode_bo_map(drmmode_ptr drmmode, drmmode_bo *bo)
return bo->dumb->ptr;
}
int
drmmode_bo_import(drmmode_ptr drmmode, drmmode_bo *bo,
uint32_t *fb_id)
{
#ifdef GBM_BO_WITH_MODIFIERS
if (bo->gbm &&
gbm_bo_get_modifier(bo->gbm) != DRM_FORMAT_MOD_INVALID) {
int num_fds;
num_fds = gbm_bo_get_plane_count(bo->gbm);
if (num_fds > 0) {
int i;
uint32_t format;
uint32_t handles[4];
uint32_t strides[4];
uint32_t offsets[4];
uint64_t modifiers[4];
memset(handles, 0, sizeof(handles));
memset(strides, 0, sizeof(strides));
memset(offsets, 0, sizeof(offsets));
memset(modifiers, 0, sizeof(modifiers));
format = gbm_bo_get_format(bo->gbm);
for (i = 0; i < num_fds; i++) {
handles[i] = gbm_bo_get_handle_for_plane(bo->gbm, i).u32;
strides[i] = gbm_bo_get_stride_for_plane(bo->gbm, i);
offsets[i] = gbm_bo_get_offset(bo->gbm, i);
modifiers[i] = gbm_bo_get_modifier(bo->gbm);
}
return drmModeAddFB2WithModifiers(drmmode->fd, bo->width, bo->height,
format, handles, strides,
offsets, modifiers, fb_id,
DRM_MODE_FB_MODIFIERS);
}
}
#endif
return drmModeAddFB(drmmode->fd, bo->width, bo->height,
drmmode->scrn->depth, drmmode->scrn->bitsPerPixel,
drmmode_bo_get_pitch(bo),
drmmode_bo_get_handle(bo), fb_id);
}
static Bool
drmmode_create_bo(drmmode_ptr drmmode, drmmode_bo *bo,
unsigned width, unsigned height, unsigned bpp)
{
bo->width = width;
bo->height = height;
#ifdef GLAMOR_HAS_GBM
if (drmmode->glamor) {
bo->gbm = gbm_bo_create(drmmode->gbm, width, height,

View File

@ -53,6 +53,8 @@ enum drmmode_plane_type {
};
typedef struct {
uint32_t width;
uint32_t height;
struct dumb_bo *dumb;
#ifdef GLAMOR_HAS_GBM
struct gbm_bo *gbm;
@ -202,6 +204,8 @@ extern DevPrivateKeyRec msPixmapPrivateKeyRec;
#define msGetPixmapPriv(drmmode, p) ((msPixmapPrivPtr)dixGetPrivateAddr(&(p)->devPrivates, &(drmmode)->pixmapPrivateKeyRec))
int drmmode_bo_import(drmmode_ptr drmmode, drmmode_bo *bo,
uint32_t *fb_id);
int drmmode_bo_destroy(drmmode_ptr drmmode, drmmode_bo *bo);
uint32_t drmmode_bo_get_pitch(drmmode_bo *bo);
uint32_t drmmode_bo_get_handle(drmmode_bo *bo);

View File

@ -258,6 +258,7 @@ ms_do_pageflip(ScreenPtr screen,
new_front_bo.gbm = glamor_gbm_bo_from_pixmap(screen, new_front);
new_front_bo.dumb = NULL;
if (!new_front_bo.gbm) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to get GBM bo for flip to new front.\n");
@ -288,14 +289,12 @@ ms_do_pageflip(ScreenPtr screen,
/* Create a new handle for the back buffer */
flipdata->old_fb_id = ms->drmmode.fb_id;
if (drmModeAddFB(ms->fd, scrn->virtualX, scrn->virtualY,
scrn->depth, scrn->bitsPerPixel,
drmmode_bo_get_pitch(&new_front_bo),
drmmode_bo_get_handle(&new_front_bo), &ms->drmmode.fb_id)) {
goto error_out;
}
drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
new_front_bo.width = new_front->drawable.width;
new_front_bo.height = new_front->drawable.height;
if (drmmode_bo_import(&ms->drmmode, &new_front_bo,
&ms->drmmode.fb_id))
goto error_out;
flags = DRM_MODE_PAGE_FLIP_EVENT;
if (async)
@ -323,6 +322,8 @@ ms_do_pageflip(ScreenPtr screen,
}
}
drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
/*
* Do we have more than our local reference,
* if so and no errors, then drop our local
@ -348,6 +349,7 @@ error_undo:
error_out:
xf86DrvMsg(scrn->scrnIndex, X_WARNING, "Page flip failed: %s\n",
strerror(errno));
drmmode_bo_destroy(&ms->drmmode, &new_front_bo);
/* if only the local reference - free the structure,
* else drop the local reference and return */
if (flipdata->flip_count == 1)