drm/radeon/kms: add functions to get current pcie lanes

Currently unused.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 05ee1aeac3fd..d758b1ffb74c 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -108,6 +108,7 @@ static struct radeon_asic r100_asic = {
         .set_engine_clock = &radeon_legacy_set_engine_clock,
         .get_memory_clock = &radeon_legacy_get_memory_clock,
         .set_memory_clock = NULL,
+        .get_pcie_lanes = NULL,
         .set_pcie_lanes = NULL,
         .set_clock_gating = &radeon_legacy_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -138,6 +139,7 @@ extern int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t
 extern uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg);
 extern void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 extern void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes);
+extern int rv370_get_pcie_lanes(struct radeon_device *rdev);
 extern int r300_copy_dma(struct radeon_device *rdev,
                         uint64_t src_offset,
                         uint64_t dst_offset,
@@ -168,6 +170,7 @@ static struct radeon_asic r300_asic = {
         .set_engine_clock = &radeon_legacy_set_engine_clock,
         .get_memory_clock = &radeon_legacy_get_memory_clock,
         .set_memory_clock = NULL,
+        .get_pcie_lanes = &rv370_get_pcie_lanes,
         .set_pcie_lanes = &rv370_set_pcie_lanes,
         .set_clock_gating = &radeon_legacy_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -212,6 +215,7 @@ static struct radeon_asic r420_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = &rv370_get_pcie_lanes,
         .set_pcie_lanes = &rv370_set_pcie_lanes,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -261,6 +265,7 @@ static struct radeon_asic rs400_asic = {
         .set_engine_clock = &radeon_legacy_set_engine_clock,
         .get_memory_clock = &radeon_legacy_get_memory_clock,
         .set_memory_clock = NULL,
+        .get_pcie_lanes = NULL,
         .set_pcie_lanes = NULL,
         .set_clock_gating = &radeon_legacy_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -320,6 +325,7 @@ static struct radeon_asic rs600_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = NULL,
         .set_pcie_lanes = NULL,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .bandwidth_update = &rs600_bandwidth_update,
@@ -366,6 +372,7 @@ static struct radeon_asic rs690_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = NULL,
         .set_pcie_lanes = NULL,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -418,6 +425,7 @@ static struct radeon_asic rv515_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = &rv370_get_pcie_lanes,
         .set_pcie_lanes = &rv370_set_pcie_lanes,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -461,6 +469,7 @@ static struct radeon_asic r520_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = &rv370_get_pcie_lanes,
         .set_pcie_lanes = &rv370_set_pcie_lanes,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .set_surface_reg = r100_set_surface_reg,
@@ -538,6 +547,7 @@ static struct radeon_asic r600_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = NULL,
         .set_pcie_lanes = NULL,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .set_surface_reg = r600_set_surface_reg,
@@ -583,6 +593,7 @@ static struct radeon_asic rv770_asic = {
         .set_engine_clock = &radeon_atom_set_engine_clock,
         .get_memory_clock = &radeon_atom_get_memory_clock,
         .set_memory_clock = &radeon_atom_set_memory_clock,
+        .get_pcie_lanes = NULL,
         .set_pcie_lanes = NULL,
         .set_clock_gating = &radeon_atom_set_clock_gating,
         .set_surface_reg = r600_set_surface_reg,