[PATCH 3/9] drm/amd/powerplay: add module parameter for mask pp feature

[Rex Zhu]

Change-Id: I0fad3f4f96a57b41a5c47293e412fca40c741738
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9d39fa8..ce2414a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -96,6 +96,7 @@ extern unsigned amdgpu_cg_mask;
 extern unsigned amdgpu_pg_mask;
 extern int amdgpu_sclk_deep_sleep_en;
 extern char *amdgpu_virtual_display;
+extern unsigned amdgpu_pp_feature_mask;
 
 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS	        3000
 #define AMDGPU_MAX_USEC_TIMEOUT			100000	/* 100 ms */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 00b71ce..0c1d3c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -94,6 +94,7 @@ unsigned amdgpu_pcie_lane_cap = 0;
 unsigned amdgpu_cg_mask = 0xffffffff;
 unsigned amdgpu_pg_mask = 0xffffffff;
 char *amdgpu_virtual_display = NULL;
+unsigned amdgpu_pp_feature_mask = 0xffffffff;
 
 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
 module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -179,6 +180,9 @@ module_param_named(powerplay, amdgpu_powerplay, int, 0444);
 
 MODULE_PARM_DESC(powercontainment, "Power Containment (1 = enable (default), 0 = disable)");
 module_param_named(powercontainment, amdgpu_powercontainment, int, 0444);
+
+MODULE_PARM_DESC(ppfeaturemask, "all power features enabled (default))");
+module_param_named(ppfeaturemask, amdgpu_pp_feature_mask, int, 0444);
 #endif
 
 MODULE_PARM_DESC(sclkdeepsleep, "SCLK Deep Sleep (1 = enable (default), 0 = disable)");
-- 
1.9.1