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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/sun8i_vi_layer.c | |
parent | 4a83c26a1d8702c516db77fc4423ae896ee904f1 (diff) | |
download | linux-8c30eecc6769bee1e3acb485ad5f086a4d8a04b6.tar.gz linux-8c30eecc6769bee1e3acb485ad5f086a4d8a04b6.tar.bz2 linux-8c30eecc6769bee1e3acb485ad5f086a4d8a04b6.zip |
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/sun8i_vi_layer.c')
-rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 8def7e0290ce..f9c0a56d3a14 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -310,7 +310,7 @@ static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, const struct drm_format_info *format = fb->format; struct drm_gem_dma_object *gem; u32 dx, dy, src_x, src_y; - dma_addr_t paddr; + dma_addr_t dma_addr; u32 ch_base; int i; @@ -324,10 +324,10 @@ static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, /* Get the physical address of the buffer in memory */ gem = drm_fb_dma_get_gem_obj(fb, i); - DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->paddr); + DRM_DEBUG_DRIVER("Using GEM @ %pad\n", &gem->dma_addr); /* Compute the start of the displayed memory */ - paddr = gem->paddr + fb->offsets[i]; + dma_addr = gem->dma_addr + fb->offsets[i]; dx = src_x; dy = src_y; @@ -338,8 +338,8 @@ static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, } /* Fixup framebuffer address for src coordinates */ - paddr += dx * format->cpp[i]; - paddr += dy * fb->pitches[i]; + dma_addr += dx * format->cpp[i]; + dma_addr += dy * fb->pitches[i]; /* Set the line width */ DRM_DEBUG_DRIVER("Layer %d. line width: %d bytes\n", @@ -350,12 +350,12 @@ static int sun8i_vi_layer_update_buffer(struct sun8i_mixer *mixer, int channel, fb->pitches[i]); DRM_DEBUG_DRIVER("Setting %d. buffer address to %pad\n", - i + 1, &paddr); + i + 1, &dma_addr); regmap_write(mixer->engine.regs, SUN8I_MIXER_CHAN_VI_LAYER_TOP_LADDR(ch_base, overlay, i), - lower_32_bits(paddr)); + lower_32_bits(dma_addr)); } return 0; |