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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/gpu/drm/amd/include/amd_pcie.h
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/gpu/drm/amd/include/amd_pcie.h')
-rw-r--r--drivers/gpu/drm/amd/include/amd_pcie.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/amd_pcie.h b/drivers/gpu/drm/amd/include/amd_pcie.h
index 7c2a916c1..5eb895fd9 100644
--- a/drivers/gpu/drm/amd/include/amd_pcie.h
+++ b/drivers/gpu/drm/amd/include/amd_pcie.h
@@ -37,6 +37,13 @@
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK 0x0000FFFF
#define CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_SHIFT 0
+/* gen: chipset 1/2, asic 1/2/3 */
+#define AMDGPU_DEFAULT_PCIE_GEN_MASK (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 \
+ | CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 \
+ | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 \
+ | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 \
+ | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3)
+
/* Following flags shows PCIe lane width switch supported in driver which are decided by chipset and ASIC */
#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X1 0x00010000
#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 0x00020000
@@ -47,4 +54,11 @@
#define CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 0x00400000
#define CAIL_PCIE_LINK_WIDTH_SUPPORT_SHIFT 16
+/* 1/2/4/8/16 lanes */
+#define AMDGPU_DEFAULT_PCIE_MLW_MASK (CAIL_PCIE_LINK_WIDTH_SUPPORT_X1 \
+ | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 \
+ | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 \
+ | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 \
+ | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16)
+
#endif