drm/radeon: factor out cs_next_is_pkt3_nop function
Once we factored out radeon_cs_packet_parse function,
evergreen_cs_next_is_pkt3_nop and r600_cs_next_is_pkt3_nop
functions became identical, so they can be factored out
into a common function.
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 1ba4ca3..883b9f7 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -1055,27 +1055,6 @@
}
/**
- * evergreen_cs_packet_next_is_pkt3_nop() - test if the next packet is NOP
- * @p: structure holding the parser context.
- *
- * Check if the next packet is a relocation packet3.
- **/
-static bool evergreen_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
-{
- struct radeon_cs_packet p3reloc;
- int r;
-
- r = radeon_cs_packet_parse(p, &p3reloc, p->idx);
- if (r) {
- return false;
- }
- if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
- return false;
- }
- return true;
-}
-
-/**
* evergreen_cs_packet_next_vline() - parse userspace VLINE packet
* @parser: parser structure holding parsing context.
*
@@ -2464,7 +2443,7 @@
if ((tex_dim == SQ_TEX_DIM_2D_MSAA || tex_dim == SQ_TEX_DIM_2D_ARRAY_MSAA) &&
!mip_address &&
- !evergreen_cs_packet_next_is_pkt3_nop(p)) {
+ !radeon_cs_packet_next_is_pkt3_nop(p)) {
/* MIP_ADDRESS should point to FMASK for an MSAA texture.
* It should be 0 if FMASK is disabled. */
moffset = 0;
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 3870bf8..6e6fa97 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -877,28 +877,6 @@
}
/**
- * 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 int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
-{
- struct radeon_cs_packet p3reloc;
- int r;
-
- r = radeon_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.
*
@@ -1108,7 +1086,7 @@
break;
case R_028010_DB_DEPTH_INFO:
if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
- r600_cs_packet_next_is_pkt3_nop(p)) {
+ radeon_cs_packet_next_is_pkt3_nop(p)) {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_warn(p->dev, "bad SET_CONTEXT_REG "
@@ -1209,7 +1187,7 @@
case R_0280B8_CB_COLOR6_INFO:
case R_0280BC_CB_COLOR7_INFO:
if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
- r600_cs_packet_next_is_pkt3_nop(p)) {
+ radeon_cs_packet_next_is_pkt3_nop(p)) {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
@@ -1273,7 +1251,7 @@
case R_0280F8_CB_COLOR6_FRAG:
case R_0280FC_CB_COLOR7_FRAG:
tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
- if (!r600_cs_packet_next_is_pkt3_nop(p)) {
+ if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
if (!track->cb_color_base_last[tmp]) {
dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
return -EINVAL;
@@ -1304,7 +1282,7 @@
case R_0280D8_CB_COLOR6_TILE:
case R_0280DC_CB_COLOR7_TILE:
tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
- if (!r600_cs_packet_next_is_pkt3_nop(p)) {
+ if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
if (!track->cb_color_base_last[tmp]) {
dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index b8d1c5c..72c4836 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1975,6 +1975,8 @@
int radeon_cs_packet_parse(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx);
+bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p);
+
#include "radeon_object.h"
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 7355a36..56cdb44 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -695,3 +695,24 @@
}
return 0;
}
+
+/**
+ * radeon_cs_packet_next_is_pkt3_nop() - test if the next packet is P3 NOP
+ * @p: structure holding the parser context.
+ *
+ * Check if the next packet is NOP relocation packet3.
+ **/
+bool radeon_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
+{
+ struct radeon_cs_packet p3reloc;
+ int r;
+
+ r = radeon_cs_packet_parse(p, &p3reloc, p->idx);
+ if (r)
+ return false;
+ if (p3reloc.type != RADEON_PACKET_TYPE3)
+ return false;
+ if (p3reloc.opcode != RADEON_PACKET3_NOP)
+ return false;
+ return true;
+}
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index d9e4204..ce7e9f2 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -3717,4 +3717,6 @@
#define RADEON_PACKET_TYPE2 2
#define RADEON_PACKET_TYPE3 3
+#define RADEON_PACKET3_NOP 0x10
+
#endif