[PATCH 1/2] r6xx/r7xx: add support for tiling with kms
Alex Deucher
alexdeucher at gmail.com
Tue May 25 16:14:50 PDT 2010
Requires radeon drm 2.5.0 and updated mesa.
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
src/drmmode_display.c | 7 ++-
src/r600_exa.c | 3 +
src/r600_state.h | 3 +
src/r6xx_accel.c | 12 ++++--
src/radeon.h | 6 +++
src/radeon_dri2.c | 10 ++++-
src/radeon_exa.c | 26 ++++++++++--
src/radeon_kms.c | 99 ++++++++++++++++++++++++++++++++++++++++++------
8 files changed, 140 insertions(+), 26 deletions(-)
diff --git a/src/drmmode_display.c b/src/drmmode_display.c
index 686de5e..c251110 100644
--- a/src/drmmode_display.c
+++ b/src/drmmode_display.c
@@ -1099,8 +1099,11 @@ drmmode_xf86crtc_resize (ScrnInfoPtr scrn, int width, int height)
if (!info->front_bo)
goto fail;
- if (info->allowColorTiling)
- tiling_flags |= RADEON_TILING_MACRO;
+ /* no tiled scanout on r6xx+ yet */
+ if (info->allowColorTiling) {
+ if (info->ChipFamily < CHIP_FAMILY_R600)
+ tiling_flags |= RADEON_TILING_MACRO;
+ }
#if X_BYTE_ORDER == X_BIG_ENDIAN
switch (cpp) {
case 4:
diff --git a/src/r600_exa.c b/src/r600_exa.c
index 26b59d8..6b6c897 100644
--- a/src/r600_exa.c
+++ b/src/r600_exa.c
@@ -2305,6 +2305,9 @@ R600DrawInit(ScreenPtr pScreen)
info->accel_state->exa->FinishAccess = RADEONFinishAccess_CS;
info->accel_state->exa->UploadToScreen = R600UploadToScreenCS;
info->accel_state->exa->DownloadFromScreen = R600DownloadFromScreenCS;
+#if (EXA_VERSION_MAJOR == 2 && EXA_VERSION_MINOR >= 5)
+ info->accel_state->exa->CreatePixmap2 = RADEONEXACreatePixmap2;
+#endif
} else
#endif
#endif
diff --git a/src/r600_state.h b/src/r600_state.h
index e9bfa10..c1e1ad3 100644
--- a/src/r600_state.h
+++ b/src/r600_state.h
@@ -339,6 +339,9 @@ R600SetAccelState(ScrnInfoPtr pScrn,
extern Bool RADEONPrepareAccess_CS(PixmapPtr pPix, int index);
extern void RADEONFinishAccess_CS(PixmapPtr pPix, int index);
extern void *RADEONEXACreatePixmap(ScreenPtr pScreen, int size, int align);
+extern void *RADEONEXACreatePixmap2(ScreenPtr pScreen, int width, int height,
+ int depth, int usage_hint, int bitsPerPixel,
+ int *new_pitch);
extern void RADEONEXADestroyPixmap(ScreenPtr pScreen, void *driverPriv);
extern struct radeon_bo *radeon_get_pixmap_bo(PixmapPtr pPix);
extern Bool RADEONEXAPixmapIsOffscreen(PixmapPtr pPix);
diff --git a/src/r6xx_accel.c b/src/r6xx_accel.c
index a835d71..cc82115 100644
--- a/src/r6xx_accel.c
+++ b/src/r6xx_accel.c
@@ -282,16 +282,21 @@ set_render_target(ScrnInfoPtr pScrn, drmBufPtr ib, cb_config_t *cb_conf, uint32_
EREG(ib, (CB_COLOR0_FRAG + (4 * cb_conf->id)), (0 >> 8)); // FMASK per-tile data base/256
RELOC_BATCH(cb_conf->bo, 0, domain);
END_BATCH();
- BEGIN_BATCH(12);
+ BEGIN_BATCH(9);
// pitch only for ARRAY_LINEAR_GENERAL, other tiling modes require addrlib
EREG(ib, (CB_COLOR0_SIZE + (4 * cb_conf->id)), ((pitch << PITCH_TILE_MAX_shift) |
(slice << SLICE_TILE_MAX_shift)));
EREG(ib, (CB_COLOR0_VIEW + (4 * cb_conf->id)), ((0 << SLICE_START_shift) |
(0 << SLICE_MAX_shift)));
- EREG(ib, (CB_COLOR0_INFO + (4 * cb_conf->id)), cb_color_info);
EREG(ib, (CB_COLOR0_MASK + (4 * cb_conf->id)), ((0 << CMASK_BLOCK_MAX_shift) |
(0 << FMASK_TILE_MAX_shift)));
END_BATCH();
+
+ BEGIN_BATCH(3 + 2);
+ EREG(ib, (CB_COLOR0_INFO + (4 * cb_conf->id)), cb_color_info);
+ RELOC_BATCH(cb_conf->bo, 0, domain);
+ END_BATCH();
+
}
void
@@ -905,7 +910,7 @@ set_default_state(ScrnInfoPtr pScrn, drmBufPtr ib)
sq_setup(pScrn, ib, &sq_conf);
- BEGIN_BATCH(59);
+ BEGIN_BATCH(56);
EREG(ib, SQ_VTX_BASE_VTX_LOC, 0);
EREG(ib, SQ_VTX_START_INST_LOC, 0);
@@ -921,7 +926,6 @@ set_default_state(ScrnInfoPtr pScrn, drmBufPtr ib)
E32(ib, 0); // SQ_GS_VERT_ITEMSIZE
// DB
- EREG(ib, DB_DEPTH_INFO, 0);
EREG(ib, DB_STENCIL_CLEAR, 0);
EREG(ib, DB_DEPTH_CLEAR, 0);
EREG(ib, DB_STENCILREFMASK, 0);
diff --git a/src/radeon.h b/src/radeon.h
index 56bc076..9ba3173 100644
--- a/src/radeon.h
+++ b/src/radeon.h
@@ -1036,6 +1036,12 @@ typedef struct {
uint64_t vram_size;
uint64_t gart_size;
drmmode_rec drmmode;
+ /* r6xx+ tile config */
+ uint32_t tile_config;
+ int group_bytes;
+ int num_channels;
+ int num_banks;
+ int r7xx_bank_op;
#else
/* fake bool */
Bool cs;
diff --git a/src/radeon_dri2.c b/src/radeon_dri2.c
index 7d5205e..d10d9a8 100644
--- a/src/radeon_dri2.c
+++ b/src/radeon_dri2.c
@@ -101,7 +101,10 @@ radeon_dri2_create_buffers(DrawablePtr drawable,
switch(attachments[i]) {
case DRI2BufferDepth:
case DRI2BufferDepthStencil:
- flags = RADEON_CREATE_PIXMAP_TILING_MACRO | RADEON_CREATE_PIXMAP_TILING_MICRO;
+ if (info->ChipFamily >= CHIP_FAMILY_R600)
+ flags = RADEON_CREATE_PIXMAP_TILING_MACRO;
+ else
+ flags = RADEON_CREATE_PIXMAP_TILING_MACRO | RADEON_CREATE_PIXMAP_TILING_MICRO;
break;
case DRI2BufferBackLeft:
case DRI2BufferBackRight:
@@ -183,7 +186,10 @@ radeon_dri2_create_buffer(DrawablePtr drawable,
switch(attachment) {
case DRI2BufferDepth:
case DRI2BufferDepthStencil:
- flags = RADEON_CREATE_PIXMAP_TILING_MACRO | RADEON_CREATE_PIXMAP_TILING_MICRO;
+ if (info->ChipFamily >= CHIP_FAMILY_R600)
+ flags = RADEON_CREATE_PIXMAP_TILING_MACRO;
+ else
+ flags = RADEON_CREATE_PIXMAP_TILING_MACRO | RADEON_CREATE_PIXMAP_TILING_MICRO;
break;
case DRI2BufferBackLeft:
case DRI2BufferBackRight:
diff --git a/src/radeon_exa.c b/src/radeon_exa.c
index 4f974c3..8dd69c4 100644
--- a/src/radeon_exa.c
+++ b/src/radeon_exa.c
@@ -461,11 +461,27 @@ void *RADEONEXACreatePixmap2(ScreenPtr pScreen, int width, int height,
tiling &= ~RADEON_TILING_MACRO;
}
- if (tiling) {
- height = RADEON_ALIGN(height, 16);
- pixmap_align = 256;
- } else
- pixmap_align = 64;
+ if (info->ChipFamily >= CHIP_FAMILY_R600) {
+ int bpe = bitsPerPixel / 8;
+
+ if (tiling & RADEON_TILING_MACRO) {
+ height = RADEON_ALIGN(height, info->num_banks * 8);
+ pixmap_align = MAX(info->num_banks,
+ (((info->group_bytes / 8) / bpe) * info->num_banks)) * 8 * bpe;
+ } else if (tiling & RADEON_TILING_MICRO) {
+ height = RADEON_ALIGN(height, 8);
+ pixmap_align = MAX(8, (info->group_bytes / (8 * bpe))) * bpe;
+ } else {
+ height = RADEON_ALIGN(height, 8);
+ pixmap_align = 256; /* 8 * bpe */
+ }
+ } else {
+ if (tiling) {
+ height = RADEON_ALIGN(height, 16);
+ pixmap_align = 256;
+ } else
+ pixmap_align = 64;
+ }
padded_width = ((width * bitsPerPixel + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
padded_width = RADEON_ALIGN(padded_width, pixmap_align);
diff --git a/src/radeon_kms.c b/src/radeon_kms.c
index e4c1c0b..1079e67 100644
--- a/src/radeon_kms.c
+++ b/src/radeon_kms.c
@@ -418,6 +418,70 @@ static Bool radeon_open_drm_master(ScrnInfoPtr pScrn)
return TRUE;
}
+static Bool r600_get_tile_config(ScrnInfoPtr pScrn)
+{
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ struct drm_radeon_info ginfo;
+ int r;
+ uint32_t tmp;
+
+ if (info->ChipFamily < CHIP_FAMILY_R600)
+ return FALSE;
+
+ memset(&ginfo, 0, sizeof(ginfo));
+ ginfo.request = 0x5;
+ ginfo.value = (uintptr_t)&tmp;
+ r = drmCommandWriteRead(info->dri->drmFD, DRM_RADEON_INFO, &ginfo, sizeof(ginfo));
+ if (r)
+ return FALSE;
+
+ info->tile_config = tmp;
+ info->r7xx_bank_op = 0;
+ if (info->ChipFamily >= CHIP_FAMILY_CEDAR) {
+ /* for now */
+ return FALSE;
+ } else {
+ switch((info->tile_config & 0xe) >> 1) {
+ case 0:
+ info->num_channels = 1;
+ break;
+ case 1:
+ info->num_channels = 2;
+ break;
+ case 2:
+ info->num_channels = 4;
+ break;
+ case 3:
+ info->num_channels = 8;
+ break;
+ default:
+ return FALSE;
+ }
+ switch((info->tile_config & 0x30) >> 4) {
+ case 0:
+ info->num_banks = 4;
+ break;
+ case 1:
+ info->num_banks = 8;
+ break;
+ default:
+ return FALSE;
+ }
+ switch((info->tile_config & 0xc0) >> 6) {
+ case 0:
+ info->group_bytes = 256;
+ break;
+ case 1:
+ info->group_bytes = 512;
+ break;
+ default:
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
{
RADEONInfoPtr info;
@@ -481,18 +545,6 @@ Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
if (!radeon_alloc_dri(pScrn))
return FALSE;
- colorTilingDefault = info->ChipFamily >= CHIP_FAMILY_R300 &&
- info->ChipFamily <= CHIP_FAMILY_RS740;
-
- info->allowColorTiling = xf86ReturnOptValBool(info->Options,
- OPTION_COLOR_TILING, colorTilingDefault);
- if (info->ChipFamily >= CHIP_FAMILY_R600) {
- xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Color tiling is not yet supported on R600/R700\n");
- info->allowColorTiling = FALSE;
- }
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "KMS Color Tiling: %sabled\n", info->allowColorTiling ? "en" : "dis");
-
if (radeon_open_drm_master(pScrn) == FALSE) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Kernel modesetting setup failed\n");
goto fail;
@@ -506,6 +558,25 @@ Bool RADEONPreInit_KMS(ScrnInfoPtr pScrn, int flags)
goto fail;
}
+ colorTilingDefault = info->ChipFamily >= CHIP_FAMILY_R300 &&
+ info->ChipFamily <= CHIP_FAMILY_RS740;
+
+ if (info->ChipFamily >= CHIP_FAMILY_R600) {
+ if (info->dri->pKernelDRMVersion->version_minor >= 5) {
+ info->allowColorTiling = xf86ReturnOptValBool(info->Options,
+ OPTION_COLOR_TILING, colorTilingDefault);
+ if (info->allowColorTiling)
+ info->allowColorTiling = r600_get_tile_config(pScrn);
+ } else
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "R6xx+ KMS Color Tiling requires radeon drm 2.5.0 or newer\n");
+ } else
+ info->allowColorTiling = xf86ReturnOptValBool(info->Options,
+ OPTION_COLOR_TILING, colorTilingDefault);
+
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "KMS Color Tiling: %sabled\n", info->allowColorTiling ? "en" : "dis");
+
if (drmmode_pre_init(pScrn, &info->drmmode, pScrn->bitsPerPixel / 8) == FALSE) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Kernel modesetting setup failed\n");
goto fail;
@@ -1015,8 +1086,10 @@ static Bool radeon_setup_kernel_mem(ScreenPtr pScreen)
ErrorF("Failed to map cursor buffer memory\n");
}
}
+ /* no tiled scanout on r6xx+ yet */
if (info->allowColorTiling) {
- tiling_flags |= RADEON_TILING_MACRO;
+ if (info->ChipFamily < CHIP_FAMILY_R600)
+ tiling_flags |= RADEON_TILING_MACRO;
}
#if X_BYTE_ORDER == X_BIG_ENDIAN
switch (cpp) {
--
1.5.6.3
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