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drm/radeon: use pointers instead of indexes for CS chunks

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Nobody is interested at which index the chunk is. What's needed is
a pointer to the chunk. Remove unused chunk_id field as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2014-12-03 15:53:24 +01:00
committed by Alex Deucher
parent 466be3386f
commit 6d2d13dd0e
9 changed files with 53 additions and 55 deletions
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11
drivers/gpu/drm/radeon/radeon.h
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@@ -1057,7 +1057,6 @@ void cayman_dma_fini(struct radeon_device *rdev);
* CS.
*/
struct radeon_cs_chunk {
uint32_t chunk_id;
uint32_t length_dw;
uint32_t *kdata;
void __user *user_ptr;
@@ -1080,10 +1079,10 @@ struct radeon_cs_parser {
struct list_head validated;
unsigned dma_reloc_idx;
/* indices of various chunks */
int chunk_ib_idx;
int chunk_relocs_idx;
int chunk_flags_idx;
int chunk_const_ib_idx;
struct radeon_cs_chunk *chunk_ib;
struct radeon_cs_chunk *chunk_relocs;
struct radeon_cs_chunk *chunk_flags;
struct radeon_cs_chunk *chunk_const_ib;
struct radeon_ib ib;
struct radeon_ib const_ib;
void *track;
@@ -1097,7 +1096,7 @@ struct radeon_cs_parser {
static inline u32 radeon_get_ib_value(struct radeon_cs_parser *p, int idx)
{
struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx];
struct radeon_cs_chunk *ibc = p->chunk_ib;
if (ibc->kdata)
return ibc->kdata[idx];