drm/radeon/kms/pm: add additional asic callbacks
- pm_misc() - handles voltage, pcie lanes, and other non
clock related power mode settings. Currently disabled.
Needs further debugging
- pm_prepare() - disables crtc mem requests right now.
All memory clients need to be disabled when changing
memory clocks. This function can be expanded to include
disabling fb access as well.
- pm_finish() - enable active memory clients.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r100d.h b/drivers/gpu/drm/radeon/r100d.h
index de8abd1..d016b16 100644
--- a/drivers/gpu/drm/radeon/r100d.h
+++ b/drivers/gpu/drm/radeon/r100d.h
@@ -838,5 +838,41 @@
#define G_00000D_FORCE_RB(x) (((x) >> 28) & 0x1)
#define C_00000D_FORCE_RB 0xEFFFFFFF
+/* PLL regs */
+#define SCLK_CNTL 0xd
+#define FORCE_HDP (1 << 17)
+#define CLK_PWRMGT_CNTL 0x14
+#define GLOBAL_PMAN_EN (1 << 10)
+#define DISP_PM (1 << 20)
+#define PLL_PWRMGT_CNTL 0x15
+#define MPLL_TURNOFF (1 << 0)
+#define SPLL_TURNOFF (1 << 1)
+#define PPLL_TURNOFF (1 << 2)
+#define P2PLL_TURNOFF (1 << 3)
+#define TVPLL_TURNOFF (1 << 4)
+#define MOBILE_SU (1 << 16)
+#define SU_SCLK_USE_BCLK (1 << 17)
+#define SCLK_CNTL2 0x1e
+#define REDUCED_SPEED_SCLK_MODE (1 << 16)
+#define REDUCED_SPEED_SCLK_SEL(x) ((x) << 17)
+#define MCLK_MISC 0x1f
+#define EN_MCLK_TRISTATE_IN_SUSPEND (1 << 18)
+#define SCLK_MORE_CNTL 0x35
+#define REDUCED_SPEED_SCLK_EN (1 << 16)
+#define IO_CG_VOLTAGE_DROP (1 << 17)
+#define VOLTAGE_DELAY_SEL(x) ((x) << 20)
+#define VOLTAGE_DROP_SYNC (1 << 19)
+
+/* mmreg */
+#define DISP_PWR_MAN 0xd08
+#define DISP_D3_GRPH_RST (1 << 18)
+#define DISP_D3_SUBPIC_RST (1 << 19)
+#define DISP_D3_OV0_RST (1 << 20)
+#define DISP_D1D2_GRPH_RST (1 << 21)
+#define DISP_D1D2_SUBPIC_RST (1 << 22)
+#define DISP_D1D2_OV0_RST (1 << 23)
+#define DISP_DVO_ENABLE_RST (1 << 24)
+#define TV_ENABLE_RST (1 << 25)
+#define AUTO_PWRUP_EN (1 << 26)
#endif