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-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c83
-rw-r--r--drivers/gpu/drm/radeon/r600d.h25
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c1
4 files changed, 110 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 44060b92d9e..9cc4ba8d03d 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -36,6 +36,10 @@ static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
+struct r600_cs_track {
+ u32 cb_color0_base_last;
+};
+
/**
* r600_cs_packet_parse() - parse cp packet and point ib index to next packet
* @parser: parser structure holding parsing context.
@@ -177,6 +181,28 @@ static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
}
/**
+ * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
+ * @parser: parser structure holding parsing context.
+ *
+ * Check next packet is relocation packet3, do bo validation and compute
+ * GPU offset using the provided start.
+ **/
+static inline int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
+{
+ struct radeon_cs_packet p3reloc;
+ int r;
+
+ r = r600_cs_packet_parse(p, &p3reloc, p->idx);
+ if (r) {
+ return 0;
+ }
+ if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
+ return 0;
+ }
+ return 1;
+}
+
+/**
* r600_cs_packet_next_vline() - parse userspace VLINE packet
* @parser: parser structure holding parsing context.
*
@@ -337,6 +363,7 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt)
{
struct radeon_cs_reloc *reloc;
+ struct r600_cs_track *track;
volatile u32 *ib;
unsigned idx;
unsigned i;
@@ -344,6 +371,7 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
int r;
u32 idx_value;
+ track = (struct r600_cs_track *)p->track;
ib = p->ib->ptr;
idx = pkt->idx + 1;
idx_value = radeon_get_ib_value(p, idx);
@@ -503,9 +531,60 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
for (i = 0; i < pkt->count; i++) {
reg = start_reg + (4 * i);
switch (reg) {
+ /* This register were added late, there is userspace
+ * which does provide relocation for those but set
+ * 0 offset. In order to avoid breaking old userspace
+ * we detect this and set address to point to last
+ * CB_COLOR0_BASE, note that if userspace doesn't set
+ * CB_COLOR0_BASE before this register we will report
+ * error. Old userspace always set CB_COLOR0_BASE
+ * before any of this.
+ */
+ case R_0280E0_CB_COLOR0_FRAG:
+ case R_0280E4_CB_COLOR1_FRAG:
+ case R_0280E8_CB_COLOR2_FRAG:
+ case R_0280EC_CB_COLOR3_FRAG:
+ case R_0280F0_CB_COLOR4_FRAG:
+ case R_0280F4_CB_COLOR5_FRAG:
+ case R_0280F8_CB_COLOR6_FRAG:
+ case R_0280FC_CB_COLOR7_FRAG:
+ case R_0280C0_CB_COLOR0_TILE:
+ case R_0280C4_CB_COLOR1_TILE:
+ case R_0280C8_CB_COLOR2_TILE:
+ case R_0280CC_CB_COLOR3_TILE:
+ case R_0280D0_CB_COLOR4_TILE:
+ case R_0280D4_CB_COLOR5_TILE:
+ case R_0280D8_CB_COLOR6_TILE:
+ case R_0280DC_CB_COLOR7_TILE:
+ if (!r600_cs_packet_next_is_pkt3_nop(p)) {
+ if (!track->cb_color0_base_last) {
+ dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
+ return -EINVAL;
+ }
+ ib[idx+1+i] = track->cb_color0_base_last;
+ printk_once(KERN_WARNING "You have old & broken userspace "
+ "please consider updating mesa & xf86-video-ati\n");
+ } else {
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
+ return -EINVAL;
+ }
+ ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ }
+ break;
case DB_DEPTH_BASE:
case DB_HTILE_DATA_BASE:
case CB_COLOR0_BASE:
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ DRM_ERROR("bad SET_CONTEXT_REG "
+ "0x%04X\n", reg);
+ return -EINVAL;
+ }
+ ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ track->cb_color0_base_last = ib[idx+1+i];
+ break;
case CB_COLOR1_BASE:
case CB_COLOR2_BASE:
case CB_COLOR3_BASE:
@@ -678,8 +757,11 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
int r600_cs_parse(struct radeon_cs_parser *p)
{
struct radeon_cs_packet pkt;
+ struct r600_cs_track *track;
int r;
+ track = kzalloc(sizeof(*track), GFP_KERNEL);
+ p->track = track;
do {
r = r600_cs_packet_parse(p, &pkt, p->idx);
if (r) {
@@ -757,6 +839,7 @@ int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
/* initialize parser */
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
+ parser.dev = &dev->pdev->dev;
parser.rdev = NULL;
parser.family = family;
parser.ib = &fake_ib;
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 05894edadab..30480881aed 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -882,4 +882,29 @@
#define S_000E60_SOFT_RESET_VMC(x) (((x) & 1) << 17)
#define R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL 0x5480
+
+#define R_0280E0_CB_COLOR0_FRAG 0x0280E0
+#define S_0280E0_BASE_256B(x) (((x) & 0xFFFFFFFF) << 0)
+#define G_0280E0_BASE_256B(x) (((x) >> 0) & 0xFFFFFFFF)
+#define C_0280E0_BASE_256B 0x00000000
+#define R_0280E4_CB_COLOR1_FRAG 0x0280E4
+#define R_0280E8_CB_COLOR2_FRAG 0x0280E8
+#define R_0280EC_CB_COLOR3_FRAG 0x0280EC
+#define R_0280F0_CB_COLOR4_FRAG 0x0280F0
+#define R_0280F4_CB_COLOR5_FRAG 0x0280F4
+#define R_0280F8_CB_COLOR6_FRAG 0x0280F8
+#define R_0280FC_CB_COLOR7_FRAG 0x0280FC
+#define R_0280C0_CB_COLOR0_TILE 0x0280C0
+#define S_0280C0_BASE_256B(x) (((x) & 0xFFFFFFFF) << 0)
+#define G_0280C0_BASE_256B(x) (((x) >> 0) & 0xFFFFFFFF)
+#define C_0280C0_BASE_256B 0x00000000
+#define R_0280C4_CB_COLOR1_TILE 0x0280C4
+#define R_0280C8_CB_COLOR2_TILE 0x0280C8
+#define R_0280CC_CB_COLOR3_TILE 0x0280CC
+#define R_0280D0_CB_COLOR4_TILE 0x0280D0
+#define R_0280D4_CB_COLOR5_TILE 0x0280D4
+#define R_0280D8_CB_COLOR6_TILE 0x0280D8
+#define R_0280DC_CB_COLOR7_TILE 0x0280DC
+
+
#endif
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 09c655f3843..f7df1a7e441 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -464,6 +464,7 @@ struct radeon_cs_chunk {
};
struct radeon_cs_parser {
+ struct device *dev;
struct radeon_device *rdev;
struct drm_file *filp;
/* chunks */
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 65590a0f1d9..1496cb8658e 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -231,6 +231,7 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
parser.rdev = rdev;
+ parser.dev = rdev->dev;
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-30 23:29:09 +0000