diff options
| author | Danilo Krummrich <dakr@redhat.com> | 2022-08-02 02:04:04 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2022-08-03 18:32:27 +0200 |
| commit | 8c30eecc6769bee1e3acb485ad5f086a4d8a04b6 (patch) | |
| tree | 874c90e0c4bc8e33735ef162e8ebff786bfa73c1 /drivers/gpu/drm/sun4i/sun4i_backend.c | |
| parent | 4a83c26a1d8702c516db77fc4423ae896ee904f1 (diff) | |
drm/gem: rename struct drm_gem_dma_object.{paddr => dma_addr}
The field paddr of struct drm_gem_dma_object holds a DMA address, which
might actually be a physical address. However, depending on the platform,
it can also be a bus address or a virtual address managed by an IOMMU.
Hence, rename the field to dma_addr, which is more applicable.
In order to do this renaming the following coccinelle script was used:
```
@@
struct drm_gem_dma_object *gem;
@@
- gem->paddr
+ gem->dma_addr
@@
struct drm_gem_dma_object gem;
@@
- gem.paddr
+ gem.dma_addr
@exists@
typedef dma_addr_t;
symbol paddr;
@@
dma_addr_t paddr;
<...
- paddr
+ dma_addr
...>
@@
symbol paddr;
@@
dma_addr_t
- paddr
+ dma_addr
;
```
This patch is compile-time tested with:
```
make ARCH={x86_64,arm,arm64} allyesconfig
make ARCH={x86_64,arm,arm64} drivers/gpu/drm`
```
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220802000405.949236-5-dakr@redhat.com
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_backend.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 1fbdd4961194..38070fc261f3 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -329,7 +329,7 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend, struct drm_plane_state *state = plane->state; struct drm_framebuffer *fb = state->fb; u32 lo_paddr, hi_paddr; - dma_addr_t paddr; + dma_addr_t dma_addr; /* Set the line width */ DRM_DEBUG_DRIVER("Layer line width: %d bits\n", fb->pitches[0] * 8); @@ -338,21 +338,21 @@ int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend, fb->pitches[0] * 8); /* Get the start of the displayed memory */ - paddr = drm_fb_dma_get_gem_addr(fb, state, 0); - DRM_DEBUG_DRIVER("Setting buffer address to %pad\n", &paddr); + dma_addr = drm_fb_dma_get_gem_addr(fb, state, 0); + DRM_DEBUG_DRIVER("Setting buffer address to %pad\n", &dma_addr); if (fb->format->is_yuv) - return sun4i_backend_update_yuv_buffer(backend, fb, paddr); + return sun4i_backend_update_yuv_buffer(backend, fb, dma_addr); /* Write the 32 lower bits of the address (in bits) */ - lo_paddr = paddr << 3; + lo_paddr = dma_addr << 3; DRM_DEBUG_DRIVER("Setting address lower bits to 0x%x\n", lo_paddr); regmap_write(backend->engine.regs, SUN4I_BACKEND_LAYFB_L32ADD_REG(layer), lo_paddr); /* And the upper bits */ - hi_paddr = paddr >> 29; + hi_paddr = dma_addr >> 29; DRM_DEBUG_DRIVER("Setting address high bits to 0x%x\n", hi_paddr); regmap_update_bits(backend->engine.regs, SUN4I_BACKEND_LAYFB_H4ADD_REG, SUN4I_BACKEND_LAYFB_H4ADD_MSK(layer), |