diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-07-21 17:46:45 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2010-08-05 17:13:10 -0400 |
| commit | e93d413a0d81f591318f362f770083e9ecc7e0c0 (patch) | |
| tree | 78f6d36df88f4fb0d9914d34ffc1cec3d5668f7f | |
| parent | 3095bc679da7241488219e1778db2083c662bbef (diff) | |
r600: add support for getting the tiling config via drm ioctl (v2)
Needed for the the 2D tiling span functions.
v2: rebase on new kernel, mesa changes
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_screen.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c index d3d7b216ba..895c2e1f62 100644 --- a/src/mesa/drivers/dri/radeon/radeon_screen.c +++ b/src/mesa/drivers/dri/radeon/radeon_screen.c @@ -213,6 +213,10 @@ static const GLuint __driNConfigOptions = 17; static int getSwapInfo( __DRIdrawable *dPriv, __DRIswapInfo * sInfo ); +#ifndef RADEON_INFO_TILE_CONFIG +#define RADEON_INFO_TILE_CONFIG 0x6 +#endif + static int radeonGetParam(__DRIscreen *sPriv, int param, void *value) { @@ -232,6 +236,9 @@ radeonGetParam(__DRIscreen *sPriv, int param, void *value) case RADEON_PARAM_NUM_Z_PIPES: info.request = RADEON_INFO_NUM_Z_PIPES; break; + case RADEON_INFO_TILE_CONFIG: + info.request = RADEON_INFO_TILE_CONFIG; + break; default: return -EINVAL; } @@ -1320,6 +1327,56 @@ radeonCreateScreen2(__DRIscreen *sPriv) else screen->chip_flags |= RADEON_CLASS_R600; + /* r6xx+ tiling */ + if (IS_R600_CLASS(screen) && (sPriv->drm_version.minor >= 5)) { + ret = radeonGetParam(sPriv, RADEON_INFO_TILE_CONFIG, &temp); + if (ret) + fprintf(stderr, "failed to get tiling info\n"); + else { + screen->tile_config = temp; + screen->r7xx_bank_op = 0; + switch((screen->tile_config & 0xe) >> 1) { + case 0: + screen->num_channels = 1; + break; + case 1: + screen->num_channels = 2; + break; + case 2: + screen->num_channels = 4; + break; + case 3: + screen->num_channels = 8; + break; + default: + fprintf(stderr, "bad channels\n"); + break; + } + switch((screen->tile_config & 0x30) >> 4) { + case 0: + screen->num_banks = 4; + break; + case 1: + screen->num_banks = 8; + break; + default: + fprintf(stderr, "bad banks\n"); + break; + } + switch((screen->tile_config & 0xc0) >> 6) { + case 0: + screen->group_bytes = 256; + break; + case 1: + screen->group_bytes = 512; + break; + default: + fprintf(stderr, "bad group_bytes\n"); + break; + } + } + } + if (IS_R300_CLASS(screen)) { ret = radeonGetParam(sPriv, RADEON_PARAM_NUM_GB_PIPES, &temp); if (ret) { |