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-rw-r--r--drivers/gpu/drm/radeon/r300.c18
-rw-r--r--drivers/gpu/drm/radeon/r300_reg.h1
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 6a5d1177afa..3f2cc9e2e8d 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -887,6 +887,14 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
break;
+ case R300_TX_FORMAT_ATI2N:
+ if (p->rdev->family < CHIP_R420) {
+ DRM_ERROR("Invalid texture format %u\n",
+ (idx_value & 0x1F));
+ return -EINVAL;
+ }
+ /* The same rules apply as for DXT3/5. */
+ /* Pass through. */
case R300_TX_FORMAT_DXT3:
case R300_TX_FORMAT_DXT5:
track->textures[i].cpp = 1;
@@ -951,6 +959,16 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
track->textures[i].width_11 = tmp;
tmp = ((idx_value >> 16) & 1) << 11;
track->textures[i].height_11 = tmp;
+
+ /* ATI1N */
+ if (idx_value & (1 << 14)) {
+ /* The same rules apply as for DXT1. */
+ track->textures[i].compress_format =
+ R100_TRACK_COMP_DXT1;
+ }
+ } else if (idx_value & (1 << 14)) {
+ DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
+ return -EINVAL;
}
break;
case 0x4480:
diff --git a/drivers/gpu/drm/radeon/r300_reg.h b/drivers/gpu/drm/radeon/r300_reg.h
index 4b7afef35a6..1735a2b6958 100644
--- a/drivers/gpu/drm/radeon/r300_reg.h
+++ b/drivers/gpu/drm/radeon/r300_reg.h
@@ -900,6 +900,7 @@
# define R300_TX_FORMAT_FL_I32 0x1B
# define R300_TX_FORMAT_FL_I32A32 0x1C
# define R300_TX_FORMAT_FL_R32G32B32A32 0x1D
+# define R300_TX_FORMAT_ATI2N 0x1F
/* alpha modes, convenience mostly */
/* if you have alpha, pick constant appropriate to the
number of channels (1 for I8, 2 for I8A8, 4 for R8G8B8A8, etc */