From: Jani Nikula Date: Wed, 26 Aug 2015 07:58:20 +0000 (+0300) Subject: drm/i915: move intel_hrawclk() to intel_display.c X-Git-Tag: firefly_0821_release~176^2~721^2~33^2~54 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=79e50a4f7228e5f27d2e9785fad5509d1392a0d3;p=firefly-linux-kernel-4.4.55.git drm/i915: move intel_hrawclk() to intel_display.c Make it available outside of intel_dp.c. Signed-off-by: Jani Nikula Reviewed-by: Clint Taylor Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 439e66e7c7cb..3f60cf4fe6fd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -135,6 +135,39 @@ intel_pch_rawclk(struct drm_device *dev) return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; } +/* hrawclock is 1/4 the FSB frequency */ +int intel_hrawclk(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t clkcfg; + + /* There is no CLKCFG reg in Valleyview. VLV hrawclk is 200 MHz */ + if (IS_VALLEYVIEW(dev)) + return 200; + + clkcfg = I915_READ(CLKCFG); + switch (clkcfg & CLKCFG_FSB_MASK) { + case CLKCFG_FSB_400: + return 100; + case CLKCFG_FSB_533: + return 133; + case CLKCFG_FSB_667: + return 166; + case CLKCFG_FSB_800: + return 200; + case CLKCFG_FSB_1067: + return 266; + case CLKCFG_FSB_1333: + return 333; + /* these two are just a guess; one of them might be right */ + case CLKCFG_FSB_1600: + case CLKCFG_FSB_1600_ALT: + return 400; + default: + return 133; + } +} + static inline u32 /* units of 100MHz */ intel_fdi_link_freq(struct drm_device *dev) { diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3a9c43d2c2c4..f45872cc6d24 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -261,40 +261,6 @@ static void intel_dp_unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes) dst[i] = src >> ((3-i) * 8); } -/* hrawclock is 1/4 the FSB frequency */ -static int -intel_hrawclk(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t clkcfg; - - /* There is no CLKCFG reg in Valleyview. VLV hrawclk is 200 MHz */ - if (IS_VALLEYVIEW(dev)) - return 200; - - clkcfg = I915_READ(CLKCFG); - switch (clkcfg & CLKCFG_FSB_MASK) { - case CLKCFG_FSB_400: - return 100; - case CLKCFG_FSB_533: - return 133; - case CLKCFG_FSB_667: - return 166; - case CLKCFG_FSB_800: - return 200; - case CLKCFG_FSB_1067: - return 266; - case CLKCFG_FSB_1333: - return 333; - /* these two are just a guess; one of them might be right */ - case CLKCFG_FSB_1600: - case CLKCFG_FSB_1600_ALT: - return 400; - default: - return 133; - } -} - static void intel_dp_init_panel_power_sequencer(struct drm_device *dev, struct intel_dp *intel_dp); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 72c1181bd7f5..30012c8ea42f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1011,6 +1011,7 @@ void i915_audio_component_cleanup(struct drm_i915_private *dev_priv); extern const struct drm_plane_funcs intel_plane_funcs; bool intel_has_pending_fb_unpin(struct drm_device *dev); int intel_pch_rawclk(struct drm_device *dev); +int intel_hrawclk(struct drm_device *dev); void intel_mark_busy(struct drm_device *dev); void intel_mark_idle(struct drm_device *dev); void intel_crtc_restore_mode(struct drm_crtc *crtc);