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authorYan Zhao <yan.y.zhao@intel.com>2020-08-11 10:27:20 +0300
committerZhenyu Wang <zhenyuw@linux.intel.com>2020-09-10 08:48:30 +0300
commitb2feabc6ebd39976b0085afd8205734dc3a9793b (patch)
tree4858e890db208e71997e53affd7b77391fada67c /drivers/gpu/drm/i915/gvt
parent7e93a0806f5a8b42c0a845a02816b6f80d406f79 (diff)
downloadlinux-b2feabc6ebd39976b0085afd8205734dc3a9793b.tar.xz
drm/i915/gvt: remove F_CMD_ACCESS flag for some registers
some registers cannot be cmd accessible. remove them from the list Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Wang Zhi <zhi.a.wang@intel.com> Signed-off-by: Yan Zhao <yan.y.zhao@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200811072720.3525-1-yan.y.zhao@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gvt')
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 63bba7b4bb2f..d55cb43c9bd4 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1892,7 +1892,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
struct drm_i915_private *dev_priv = gvt->gt->i915;
int ret;
- MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
+ MMIO_RING_DFH(RING_IMR, D_ALL, 0, NULL,
intel_vgpu_reg_imr_handler);
MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
@@ -1900,7 +1900,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
MMIO_D(SDEISR, D_ALL);
- MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_HWSTAM, D_ALL, 0, NULL, NULL);
+
MMIO_DH(GEN8_GAMW_ECO_DEV_RW_IA, D_BDW_PLUS, NULL,
gamw_echo_dev_rw_ia_write);
@@ -1927,11 +1928,11 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_GM_RDR(_MMIO(0x12198), D_ALL, NULL, NULL);
MMIO_D(GEN7_CXT_SIZE, D_ALL);
- MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
- MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
- MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
- MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, mmio_read_from_hw, NULL);
- MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
+ MMIO_RING_DFH(RING_TAIL, D_ALL, 0, NULL, NULL);
+ MMIO_RING_DFH(RING_HEAD, D_ALL, 0, NULL, NULL);
+ MMIO_RING_DFH(RING_CTL, D_ALL, 0, NULL, NULL);
+ MMIO_RING_DFH(RING_ACTHD, D_ALL, 0, mmio_read_from_hw, NULL);
+ MMIO_RING_GM(RING_START, D_ALL, NULL, NULL);
/* RING MODE */
#define RING_REG(base) _MMIO((base) + 0x29c)
@@ -2686,7 +2687,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(_MMIO(0x4094), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
- MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
+ MMIO_RING_GM(RING_BBADDR, D_ALL, NULL, NULL);
MMIO_DFH(_MMIO(0x2220), D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(_MMIO(0x12220), D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(_MMIO(0x22220), D_ALL, F_CMD_ACCESS, NULL, NULL);
@@ -2771,7 +2772,7 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
intel_vgpu_reg_master_irq_handler);
- MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS,
+ MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, 0,
mmio_read_from_hw, NULL);
#define RING_REG(base) _MMIO((base) + 0xd0)
@@ -2785,7 +2786,7 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
#undef RING_REG
#define RING_REG(base) _MMIO((base) + 0x234)
- MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
+ MMIO_RING_F(RING_REG, 8, F_RO, 0, ~0, D_BDW_PLUS,
NULL, NULL);
#undef RING_REG
@@ -2820,7 +2821,7 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
MMIO_RING_F(RING_REG, 32, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
#undef RING_REG
- MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
+ MMIO_RING_GM(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
@@ -3357,7 +3358,10 @@ void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
gvt->mmio.mmio_attribute = NULL;
}
-/* Special MMIO blocks. */
+/* Special MMIO blocks. registers in MMIO block ranges should not be command
+ * accessible (should have no F_CMD_ACCESS flag).
+ * otherwise, need to update cmd_reg_handler in cmd_parser.c
+ */
static struct gvt_mmio_block mmio_blocks[] = {
{D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL},
{D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},