From 78e0d2e3477aa3e8bdac70698ddd2aad020016d1 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Wed, 4 Nov 2015 23:19:59 +0200 Subject: [PATCH] drm/i915: Store DVO SRCDIM register offset under intel_dvo_device MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Store the DVO SRCDIM register offset alongside the DVO control register offset in intel_dvo_device. This gets rid of the switch statement whose case values are the DVO control register offsets. Such a construct would cause problems for register type safety. Signed-off-by: Ville Syrjälä Link: http://patchwork.freedesktop.org/patch/msgid/1446672017-24497-12-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/dvo.h | 1 + drivers/gpu/drm/i915/intel_dvo.c | 23 +++++++++-------------- 2 files changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/dvo.h b/drivers/gpu/drm/i915/dvo.h index 0e2c1b9..20873d6 100644 --- a/drivers/gpu/drm/i915/dvo.h +++ b/drivers/gpu/drm/i915/dvo.h @@ -33,6 +33,7 @@ struct intel_dvo_device { int type; /* DVOA/B/C output register */ u32 dvo_reg; + u32 dvo_srcdim_reg; /* GPIO register used for i2c bus to control this device */ u32 gpio; int slave_addr; diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 8492053..3d31d84 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -44,6 +44,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_TMDS, .name = "sil164", .dvo_reg = DVOC, + .dvo_srcdim_reg = DVOC_SRCDIM, .slave_addr = SIL164_ADDR, .dev_ops = &sil164_ops, }, @@ -51,6 +52,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_TMDS, .name = "ch7xxx", .dvo_reg = DVOC, + .dvo_srcdim_reg = DVOC_SRCDIM, .slave_addr = CH7xxx_ADDR, .dev_ops = &ch7xxx_ops, }, @@ -58,6 +60,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_TMDS, .name = "ch7xxx", .dvo_reg = DVOC, + .dvo_srcdim_reg = DVOC_SRCDIM, .slave_addr = 0x75, /* For some ch7010 */ .dev_ops = &ch7xxx_ops, }, @@ -65,6 +68,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_LVDS, .name = "ivch", .dvo_reg = DVOA, + .dvo_srcdim_reg = DVOA_SRCDIM, .slave_addr = 0x02, /* Might also be 0x44, 0x84, 0xc4 */ .dev_ops = &ivch_ops, }, @@ -72,6 +76,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_TMDS, .name = "tfp410", .dvo_reg = DVOC, + .dvo_srcdim_reg = DVOC_SRCDIM, .slave_addr = TFP410_ADDR, .dev_ops = &tfp410_ops, }, @@ -79,6 +84,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_LVDS, .name = "ch7017", .dvo_reg = DVOC, + .dvo_srcdim_reg = DVOC_SRCDIM, .slave_addr = 0x75, .gpio = GMBUS_PIN_DPB, .dev_ops = &ch7017_ops, @@ -87,6 +93,7 @@ static const struct intel_dvo_device intel_dvo_devices[] = { .type = INTEL_DVO_CHIP_TMDS, .name = "ns2501", .dvo_reg = DVOB, + .dvo_srcdim_reg = DVOB_SRCDIM, .slave_addr = NS2501_ADDR, .dev_ops = &ns2501_ops, } @@ -255,20 +262,8 @@ static void intel_dvo_pre_enable(struct intel_encoder *encoder) struct intel_dvo *intel_dvo = enc_to_dvo(encoder); int pipe = crtc->pipe; u32 dvo_val; - u32 dvo_reg = intel_dvo->dev.dvo_reg, dvo_srcdim_reg; - - switch (dvo_reg) { - case DVOA: - default: - dvo_srcdim_reg = DVOA_SRCDIM; - break; - case DVOB: - dvo_srcdim_reg = DVOB_SRCDIM; - break; - case DVOC: - dvo_srcdim_reg = DVOC_SRCDIM; - break; - } + u32 dvo_reg = intel_dvo->dev.dvo_reg; + u32 dvo_srcdim_reg = intel_dvo->dev.dvo_srcdim_reg; /* Save the data order, since I don't know what it should be set to. */ dvo_val = I915_READ(dvo_reg) & -- 2.7.4