drm/amdgpu/nbio2.3: don't use GPU_HDP_FLUSH bit 12

It's used internally by firmware.  Using it in the driver
could conflict with firmware.

v2: squash in fix for navi1x (Alex)

Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 2bebd2c..0249911 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1134,12 +1134,15 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
        case IP_VERSION(2, 3, 0):
        case IP_VERSION(2, 3, 1):
        case IP_VERSION(2, 3, 2):
+               adev->nbio.funcs = &nbio_v2_3_funcs;
+               adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg;
+               break;
        case IP_VERSION(3, 3, 0):
        case IP_VERSION(3, 3, 1):
        case IP_VERSION(3, 3, 2):
        case IP_VERSION(3, 3, 3):
                adev->nbio.funcs = &nbio_v2_3_funcs;
-               adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg;
+               adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg_sc;
                break;
        default:
                break;

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
index b184b65..4ecd2b5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
@@ -53,6 +53,16 @@
 
 #define smnPCIE_LC_LINK_WIDTH_CNTL             0x11140288
 
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK     0x00001000L /* Don't use.  Firmware uses this bit internally */
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK     0x00002000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK     0x00004000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK     0x00008000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK     0x00010000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK     0x00020000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG6_MASK     0x00040000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG7_MASK     0x00080000L
+#define GPU_HDP_FLUSH_DONE__RSVD_ENG8_MASK     0x00100000L
+
 static void nbio_v2_3_remap_hdp_registers(struct amdgpu_device *adev)
 {
        WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
@@ -318,6 +328,27 @@ const struct nbio_hdp_flush_reg nbio_v2_3_hdp_flush_reg = {
        .ref_and_mask_sdma1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
 };
 
+const struct nbio_hdp_flush_reg nbio_v2_3_hdp_flush_reg_sc = {
+       .ref_and_mask_cp0 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP0_MASK,
+       .ref_and_mask_cp1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP1_MASK,
+       .ref_and_mask_cp2 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP2_MASK,
+       .ref_and_mask_cp3 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP3_MASK,
+       .ref_and_mask_cp4 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP4_MASK,
+       .ref_and_mask_cp5 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP5_MASK,
+       .ref_and_mask_cp6 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP6_MASK,
+       .ref_and_mask_cp7 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP7_MASK,
+       .ref_and_mask_cp8 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP8_MASK,
+       .ref_and_mask_cp9 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__CP9_MASK,
+       .ref_and_mask_sdma0 = GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK,
+       .ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK,
+       .ref_and_mask_sdma2 = GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK,
+       .ref_and_mask_sdma3 = GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,
+       .ref_and_mask_sdma4 = GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
+       .ref_and_mask_sdma5 = GPU_HDP_FLUSH_DONE__RSVD_ENG6_MASK,
+       .ref_and_mask_sdma6 = GPU_HDP_FLUSH_DONE__RSVD_ENG7_MASK,
+       .ref_and_mask_sdma7 = GPU_HDP_FLUSH_DONE__RSVD_ENG8_MASK,
+};
+
 static void nbio_v2_3_init_registers(struct amdgpu_device *adev)
 {
        uint32_t def, data;

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.h b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.h
index a43b60a..6074dd3 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.h
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.h
@@ -27,6 +27,7 @@
 #include "soc15_common.h"
 
 extern const struct nbio_hdp_flush_reg nbio_v2_3_hdp_flush_reg;
+extern const struct nbio_hdp_flush_reg nbio_v2_3_hdp_flush_reg_sc;
 extern const struct amdgpu_nbio_funcs nbio_v2_3_funcs;
 
 #endif