[Intel-gfx] [PATCH 1/3] drm/i915: Move watermark handling to intel_wm.c
Daniel Vetter
daniel at ffwll.ch
Fri Feb 27 10:47:46 PST 2015
On Fri, Feb 27, 2015 at 08:21:07PM +0200, Ville Syrjälä wrote:
> On Fri, Feb 27, 2015 at 08:54:19AM -0800, Matt Roper wrote:
> > Move watermark handling from intel_pm.c to intel_wm.c and add a little
> > bit of kerneldoc to exported functions. We also add a new
> > intel_init_wm() function to setup memory timing information and
> > initialize the relevant watermark vfuncs.
>
> How about delaying gratious code movement until a bunch of the in flight
> WM stuff has landed? This is just going to cause rebase pains all over.
Hand-editing diffs works reasonable well ime for these kinds of extraction
patches. At least that's how I've done it with -internal. And git rebase
can sometimes help too if you crank up the rename detection threshold.
-Daniel
>
> >
> > Jira: VIZ-4612
> > Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
> > ---
> > drivers/gpu/drm/i915/Makefile | 3 +-
> > drivers/gpu/drm/i915/intel_display.c | 1 +
> > drivers/gpu/drm/i915/intel_drv.h | 3 +
> > drivers/gpu/drm/i915/intel_pm.c | 3450 ---------------------------------
> > drivers/gpu/drm/i915/intel_wm.c | 3525 ++++++++++++++++++++++++++++++++++
> > 5 files changed, 3531 insertions(+), 3451 deletions(-)
> > create mode 100644 drivers/gpu/drm/i915/intel_wm.c
> >
> > diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> > index f025e7f..5fd2257 100644
> > --- a/drivers/gpu/drm/i915/Makefile
> > +++ b/drivers/gpu/drm/i915/Makefile
> > @@ -55,7 +55,8 @@ i915-y += intel_audio.o \
> > intel_overlay.o \
> > intel_psr.o \
> > intel_sideband.o \
> > - intel_sprite.o
> > + intel_sprite.o \
> > + intel_wm.o
> > i915-$(CONFIG_ACPI) += intel_acpi.o intel_opregion.o
> > i915-$(CONFIG_DRM_I915_FBDEV) += intel_fbdev.o
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index fad5f76..370c173 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -13213,6 +13213,7 @@ void intel_modeset_init(struct drm_device *dev)
> > intel_init_quirks(dev);
> >
> > intel_init_pm(dev);
> > + intel_init_wm(dev);
> >
> > if (INTEL_INFO(dev)->num_pipes == 0)
> > return;
> > diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> > index 1fb1529..995d030 100644
> > --- a/drivers/gpu/drm/i915/intel_drv.h
> > +++ b/drivers/gpu/drm/i915/intel_drv.h
> > @@ -1258,6 +1258,9 @@ void intel_pre_disable_primary(struct drm_crtc *crtc);
> > /* intel_tv.c */
> > void intel_tv_init(struct drm_device *dev);
> >
> > +/* intel_wm.c */
> > +void intel_init_wm(struct drm_device *dev);
> > +
> > /* intel_atomic.c */
> > int intel_atomic_check(struct drm_device *dev,
> > struct drm_atomic_state *state);
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> > index 7dcb5b6..f906b05 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -94,3402 +94,6 @@ static void skl_init_clock_gating(struct drm_device *dev)
> > GEN8_LQSC_RO_PERF_DIS);
> > }
> >
> > -static void i915_pineview_get_mem_freq(struct drm_device *dev)
> > -{
> > - struct drm_i915_private *dev_priv = dev->dev_private;
> > - u32 tmp;
> > -
> > - tmp = I915_READ(CLKCFG);
> > -
> > - switch (tmp & CLKCFG_FSB_MASK) {
> > - case CLKCFG_FSB_533:
> > - dev_priv->fsb_freq = 533; /* 133*4 */
> > - break;
> > - case CLKCFG_FSB_800:
> > - dev_priv->fsb_freq = 800; /* 200*4 */
> > - break;
> > - case CLKCFG_FSB_667:
> > - dev_priv->fsb_freq = 667; /* 167*4 */
> > - break;
> > - case CLKCFG_FSB_400:
> > - dev_priv->fsb_freq = 400; /* 100*4 */
> > - break;
> > - }
> > -
> > - switch (tmp & CLKCFG_MEM_MASK) {
> > - case CLKCFG_MEM_533:
> > - dev_priv->mem_freq = 533;
> > - break;
> > - case CLKCFG_MEM_667:
> > - dev_priv->mem_freq = 667;
> > - break;
> > - case CLKCFG_MEM_800:
> > - dev_priv->mem_freq = 800;
> > - break;
> > - }
> > -
> > - /* detect pineview DDR3 setting */
> > - tmp = I915_READ(CSHRDDR3CTL);
> > - dev_priv->is_ddr3 = (tmp & CSHRDDR3CTL_DDR3) ? 1 : 0;
> > -}
> > -
> > -static void i915_ironlake_get_mem_freq(struct drm_device *dev)
> > -{
> > - struct drm_i915_private *dev_priv = dev->dev_private;
> > - u16 ddrpll, csipll;
> > -
> > - ddrpll = I915_READ16(DDRMPLL1);
> > - csipll = I915_READ16(CSIPLL0);
> > -
> > - switch (ddrpll & 0xff) {
> > - case 0xc:
> > - dev_priv->mem_freq = 800;
> > - break;
> > - case 0x10:
> > - dev_priv->mem_freq = 1066;
> > - break;
> > - case 0x14:
> > - dev_priv->mem_freq = 1333;
> > - break;
> > - case 0x18:
> > - dev_priv->mem_freq = 1600;
> > - break;
> > - default:
> > - DRM_DEBUG_DRIVER("unknown memory frequency 0x%02x\n",
> > - ddrpll & 0xff);
> > - dev_priv->mem_freq = 0;
> > - break;
> > - }
> > -
> > - dev_priv->ips.r_t = dev_priv->mem_freq;
> > -
> > - switch (csipll & 0x3ff) {
> > - case 0x00c:
> > - dev_priv->fsb_freq = 3200;
> > - break;
> > - case 0x00e:
> > - dev_priv->fsb_freq = 3733;
> > - break;
> > - case 0x010:
> > - dev_priv->fsb_freq = 4266;
> > - break;
> > - case 0x012:
> > - dev_priv->fsb_freq = 4800;
> > - break;
> > - case 0x014:
> > - dev_priv->fsb_freq = 5333;
> > - break;
> > - case 0x016:
> > - dev_priv->fsb_freq = 5866;
> > - break;
> > - case 0x018:
> > - dev_priv->fsb_freq = 6400;
> > - break;
> > - default:
> > - DRM_DEBUG_DRIVER("unknown fsb frequency 0x%04x\n",
> > - csipll & 0x3ff);
> > - dev_priv->fsb_freq = 0;
> > - break;
> > - }
> > -
> > - if (dev_priv->fsb_freq == 3200) {
> > - dev_priv->ips.c_m = 0;
> > - } else if (dev_priv->fsb_freq > 3200 && dev_priv->fsb_freq <= 4800) {
> > - dev_priv->ips.c_m = 1;
> > - } else {
> > - dev_priv->ips.c_m = 2;
> > - }
> > -}
>
> I don't think these two functions should be moved.
>
> --
> Ville Syrjälä
> Intel OTC
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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