diff options
| author | Marek Olšák <[email protected]> | 2015-08-02 16:22:43 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2015-08-10 18:26:44 +0200 |
| commit | 7e5d56394bd53607d0158b49f36ac1428acb7954 (patch) | |
| tree | e089fd1872feaf78d72b577371d271cda029c0bb /src/gallium/drivers/radeon | |
| parent | 7bfe8cf4a487aec4870df23f6f72c828f1caaa49 (diff) | |
gallium/radeon: add a debug flag not to use write combining (v2)
v2: just clear the flag before the allocation
Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeon')
| -rw-r--r-- | src/gallium/drivers/radeon/r600_buffer_common.c | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.c | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.h | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c index 5b5c06362a7..0f788b7e23c 100644 --- a/src/gallium/drivers/radeon/r600_buffer_common.c +++ b/src/gallium/drivers/radeon/r600_buffer_common.c @@ -161,6 +161,9 @@ bool r600_init_resource(struct r600_common_screen *rscreen, flags |= RADEON_FLAG_NO_CPU_ACCESS; } + if (rscreen->debug_flags & DBG_NO_WC) + flags &= ~RADEON_FLAG_GTT_WC; + /* Allocate a new resource. */ new_buf = rscreen->ws->buffer_create(rscreen->ws, size, alignment, use_reusable_pool, diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c index 3f1c0f0eae9..c9b89295e83 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.c +++ b/src/gallium/drivers/radeon/r600_pipe_common.c @@ -355,6 +355,7 @@ static const struct debug_named_value common_debug_options[] = { { "switch_on_eop", DBG_SWITCH_ON_EOP, "Program WD/IA to switch on end-of-packet." }, { "forcedma", DBG_FORCE_DMA, "Use asynchronous DMA for all operations when possible." }, { "precompile", DBG_PRECOMPILE, "Compile one shader variant at shader creation." }, + { "nowc", DBG_NO_WC, "Disable GTT write combining" }, DEBUG_NAMED_VALUE_END /* must be last */ }; diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h index ce3f396011f..85ac22f3c7e 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.h +++ b/src/gallium/drivers/radeon/r600_pipe_common.h @@ -97,6 +97,7 @@ #define DBG_FORCE_DMA (1llu << 38) #define DBG_PRECOMPILE (1llu << 39) #define DBG_INFO (1llu << 40) +#define DBG_NO_WC (1llu << 41) #define R600_MAP_BUFFER_ALIGNMENT 64 |