From: Damien Lespiau Date: Fri, 19 Oct 2012 16:55:41 +0000 (+0100) Subject: drm/i915: Consolidate ILK_DSPCLK_GATE and PCH_DSPCLK_GATE X-Git-Tag: v3.8-rc1~42^2~193^2~162 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=231e54f6391ccc7a3377df5bbaff3800822def1d;p=platform%2Fkernel%2Flinux-exynos.git drm/i915: Consolidate ILK_DSPCLK_GATE and PCH_DSPCLK_GATE Register 0x42020 was defined twice under the names PCH_DSPCLK_GATE_D and ILK_DSPCLK_GATE. This patch consolidate the 2 sets of defines in one. The transforms done are: PCH_DSPCLK_GATE_D -> ILK_DSPCLK_GATE_D ILK_DSPCLK_GATE -> ILK_DSPCLK_GATE_D DPARBUNIT_CLOCK_GATE_DISABLE -> ILK_DPARBUNIT_CLOCK_GATE_DISABLE ILK_DPARB_CLK_GATE -> ILK_DPARBUNIT_CLOCK_GATE_DISABLE DPFDUNIT_CLOCK_GATE_DISABLE -> ILK_DPFDUNIT_CLOCK_GATE_DISABLE ILK_DPFD_CLK_GATE -> ILK_DPFDUNIT_CLOCK_GATE_DISABLE ILK_CLK_FBC -> ILK_DPFDUNIT_CLOCK_GATE_DISABLE DPFCRUNIT_CLOCK_GATE_DISABLE -> ILK_DPFCRUNIT_CLOCK_GATE_DISABLE ILK_DPFC_DIS1 -> ILK_DPFCRUNIT_CLOCK_GATE_DISABLE DPFCUNIT_CLOCK_GATE_DISABLE -> ILK_DPFCUNIT_CLOCK_GATE_DISABLE ILK_DPFC_DIS2 -> ILK_DPFCUNIT_CLOCK_GATE_DISABLE We have a VHRUNIT_CLOCK_GATE_DISABLE define for the pre-ILK DSPCLK_GATE_D. Even if the same bit is used in ILK_DSPCLK_GATE_D, other bits in the register change, so I went with re-defining it, well more precisely rename IVB_VRHUNIT_CLK_GATE, which is not specific to IVB+. So: IVB_VRHUNIT_CLK_GATE -> ILK_VHRUNIT_CLOCK_GATE_DISABLE VHRUNIT_CLOCK_GATE_DISABLE -> ILK_VHRUNIT_CLOCK_GATE_DISABLE (ILK+ code) This commit is only a renaming commit, further commits will clean up the logic. v2: Rename bit 5 and 7 to _ENABLE as setting them to 1 enables clock gating on their respective units, contrary to all of the other bits (Paulo Zanoni) Signed-off-by: Damien Lespiau Reviewed-by: Paulo Zanoni Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c31ee5b..08c51ab 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3248,12 +3248,6 @@ #define DISPLAY_PORT_PLL_BIOS_1 0x46010 #define DISPLAY_PORT_PLL_BIOS_2 0x46014 -#define PCH_DSPCLK_GATE_D 0x42020 -# define DPFCUNIT_CLOCK_GATE_DISABLE (1 << 9) -# define DPFCRUNIT_CLOCK_GATE_DISABLE (1 << 8) -# define DPFDUNIT_CLOCK_GATE_DISABLE (1 << 7) -# define DPARBUNIT_CLOCK_GATE_DISABLE (1 << 5) - #define PCH_3DCGDIS0 0x46020 # define MARIUNIT_CLOCK_GATE_DISABLE (1 << 18) # define SVSMUNIT_CLOCK_GATE_DISABLE (1 << 1) @@ -3425,15 +3419,13 @@ #define ILK_HDCP_DISABLE (1<<25) #define ILK_eDP_A_DISABLE (1<<24) #define ILK_DESKTOP (1<<23) -#define ILK_DSPCLK_GATE 0x42020 -#define IVB_VRHUNIT_CLK_GATE (1<<28) -#define ILK_DPARB_CLK_GATE (1<<5) -#define ILK_DPFD_CLK_GATE (1<<7) - -/* According to spec this bit 7/8/9 of 0x42020 should be set to enable FBC */ -#define ILK_CLK_FBC (1<<7) -#define ILK_DPFC_DIS1 (1<<8) -#define ILK_DPFC_DIS2 (1<<9) + +#define ILK_DSPCLK_GATE_D 0x42020 +#define ILK_VRHUNIT_CLOCK_GATE_DISABLE (1 << 28) +#define ILK_DPFCUNIT_CLOCK_GATE_DISABLE (1 << 9) +#define ILK_DPFCRUNIT_CLOCK_GATE_DISABLE (1 << 8) +#define ILK_DPFDUNIT_CLOCK_GATE_ENABLE (1 << 7) +#define ILK_DPARBUNIT_CLOCK_GATE_ENABLE (1 << 5) #define IVB_CHICKEN3 0x4200c # define CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE (1 << 5) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 568c98d..d2a226a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3295,14 +3295,14 @@ void intel_enable_gt_powersave(struct drm_device *dev) static void ironlake_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE; + uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE; /* Required for FBC */ - dspclk_gate |= DPFCUNIT_CLOCK_GATE_DISABLE | - DPFCRUNIT_CLOCK_GATE_DISABLE | - DPFDUNIT_CLOCK_GATE_DISABLE; + dspclk_gate |= ILK_DPFCUNIT_CLOCK_GATE_DISABLE | + ILK_DPFCRUNIT_CLOCK_GATE_DISABLE | + ILK_DPFDUNIT_CLOCK_GATE_ENABLE; /* Required for CxSR */ - dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE; + dspclk_gate |= ILK_DPARBUNIT_CLOCK_GATE_ENABLE; I915_WRITE(PCH_3DCGDIS0, MARIUNIT_CLOCK_GATE_DISABLE | @@ -3310,7 +3310,7 @@ static void ironlake_init_clock_gating(struct drm_device *dev) I915_WRITE(PCH_3DCGDIS1, VFMUNIT_CLOCK_GATE_DISABLE); - I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate); + I915_WRITE(ILK_DSPCLK_GATE_D, dspclk_gate); /* * According to the spec the following bits should be set in @@ -3322,9 +3322,9 @@ static void ironlake_init_clock_gating(struct drm_device *dev) I915_WRITE(ILK_DISPLAY_CHICKEN2, (I915_READ(ILK_DISPLAY_CHICKEN2) | ILK_DPARB_GATE | ILK_VSDPFD_FULL)); - I915_WRITE(ILK_DSPCLK_GATE, - (I915_READ(ILK_DSPCLK_GATE) | - ILK_DPARB_CLK_GATE)); + I915_WRITE(ILK_DSPCLK_GATE_D, + (I915_READ(ILK_DSPCLK_GATE_D) | + ILK_DPARBUNIT_CLOCK_GATE_ENABLE)); I915_WRITE(DISP_ARB_CTL, (I915_READ(DISP_ARB_CTL) | DISP_FBC_WM_DIS)); @@ -3346,11 +3346,11 @@ static void ironlake_init_clock_gating(struct drm_device *dev) I915_WRITE(ILK_DISPLAY_CHICKEN2, I915_READ(ILK_DISPLAY_CHICKEN2) | ILK_DPARB_GATE); - I915_WRITE(ILK_DSPCLK_GATE, - I915_READ(ILK_DSPCLK_GATE) | - ILK_DPFC_DIS1 | - ILK_DPFC_DIS2 | - ILK_CLK_FBC); + I915_WRITE(ILK_DSPCLK_GATE_D, + I915_READ(ILK_DSPCLK_GATE_D) | + ILK_DPFCRUNIT_CLOCK_GATE_DISABLE | + ILK_DPFCUNIT_CLOCK_GATE_DISABLE | + ILK_DPFDUNIT_CLOCK_GATE_ENABLE); } I915_WRITE(ILK_DISPLAY_CHICKEN2, @@ -3365,9 +3365,9 @@ static void gen6_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int pipe; - uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE; + uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE; - I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate); + I915_WRITE(ILK_DSPCLK_GATE_D, dspclk_gate); I915_WRITE(ILK_DISPLAY_CHICKEN2, I915_READ(ILK_DISPLAY_CHICKEN2) | @@ -3422,10 +3422,10 @@ static void gen6_init_clock_gating(struct drm_device *dev) I915_WRITE(ILK_DISPLAY_CHICKEN2, I915_READ(ILK_DISPLAY_CHICKEN2) | ILK_DPARB_GATE | ILK_VSDPFD_FULL); - I915_WRITE(ILK_DSPCLK_GATE, - I915_READ(ILK_DSPCLK_GATE) | - ILK_DPARB_CLK_GATE | - ILK_DPFD_CLK_GATE); + I915_WRITE(ILK_DSPCLK_GATE_D, + I915_READ(ILK_DSPCLK_GATE_D) | + ILK_DPARBUNIT_CLOCK_GATE_ENABLE | + ILK_DPFDUNIT_CLOCK_GATE_ENABLE); I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) | GEN6_MBCTL_ENABLE_BOOT_FETCH); @@ -3507,16 +3507,16 @@ static void ivybridge_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int pipe; - uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE; + uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE; uint32_t snpcr; - I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate); + I915_WRITE(ILK_DSPCLK_GATE_D, dspclk_gate); I915_WRITE(WM3_LP_ILK, 0); I915_WRITE(WM2_LP_ILK, 0); I915_WRITE(WM1_LP_ILK, 0); - I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE); + I915_WRITE(ILK_DSPCLK_GATE_D, ILK_VRHUNIT_CLOCK_GATE_DISABLE); /* WaDisableEarlyCull */ I915_WRITE(_3D_CHICKEN3, @@ -3589,15 +3589,15 @@ static void valleyview_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int pipe; - uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE; + uint32_t dspclk_gate = ILK_VRHUNIT_CLOCK_GATE_DISABLE; - I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate); + I915_WRITE(ILK_DSPCLK_GATE_D, dspclk_gate); I915_WRITE(WM3_LP_ILK, 0); I915_WRITE(WM2_LP_ILK, 0); I915_WRITE(WM1_LP_ILK, 0); - I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE); + I915_WRITE(ILK_DSPCLK_GATE_D, ILK_VRHUNIT_CLOCK_GATE_DISABLE); /* WaDisableEarlyCull */ I915_WRITE(_3D_CHICKEN3,