diff options
Diffstat (limited to 'drivers/gpu/drm/i915/dvo_tfp410.c')
| -rw-r--r-- | drivers/gpu/drm/i915/dvo_tfp410.c | 58 |
1 files changed, 36 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/dvo_tfp410.c b/drivers/gpu/drm/i915/dvo_tfp410.c index 8ab2855bb54..7853719a0e8 100644 --- a/drivers/gpu/drm/i915/dvo_tfp410.c +++ b/drivers/gpu/drm/i915/dvo_tfp410.c @@ -56,7 +56,7 @@ #define TFP410_CTL_2_MDI (1<<0) #define TFP410_CTL_3 0x0A -#define TFP410_CTL_3_DK_MASK (0x7<<5) +#define TFP410_CTL_3_DK_MASK (0x7<<5) #define TFP410_CTL_3_DK (1<<5) #define TFP410_CTL_3_DKEN (1<<4) #define TFP410_CTL_3_CTL_MASK (0x7<<1) @@ -118,7 +118,7 @@ static bool tfp410_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch) if (i2c_transfer(adapter, msgs, 2) == 2) { *ch = in_buf[0]; return true; - }; + } if (!tfp->quiet) { DRM_DEBUG_KMS("Unable to read register 0x%02x from %s:%02x.\n", @@ -225,23 +225,23 @@ static void tfp410_mode_set(struct intel_dvo_device *dvo, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { - /* As long as the basics are set up, since we don't have clock dependencies - * in the mode setup, we can just leave the registers alone and everything - * will work fine. - */ - /* don't do much */ - return; + /* As long as the basics are set up, since we don't have clock dependencies + * in the mode setup, we can just leave the registers alone and everything + * will work fine. + */ + /* don't do much */ + return; } /* set the tfp410 power state */ -static void tfp410_dpms(struct intel_dvo_device *dvo, int mode) +static void tfp410_dpms(struct intel_dvo_device *dvo, bool enable) { uint8_t ctl1; if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1)) return; - if (mode == DRM_MODE_DPMS_ON) + if (enable) ctl1 |= TFP410_CTL_1_PD; else ctl1 &= ~TFP410_CTL_1_PD; @@ -249,38 +249,51 @@ static void tfp410_dpms(struct intel_dvo_device *dvo, int mode) tfp410_writeb(dvo, TFP410_CTL_1, ctl1); } +static bool tfp410_get_hw_state(struct intel_dvo_device *dvo) +{ + uint8_t ctl1; + + if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1)) + return false; + + if (ctl1 & TFP410_CTL_1_PD) + return true; + else + return false; +} + static void tfp410_dump_regs(struct intel_dvo_device *dvo) { uint8_t val, val2; tfp410_readb(dvo, TFP410_REV, &val); - DRM_LOG_KMS("TFP410_REV: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_REV: 0x%02X\n", val); tfp410_readb(dvo, TFP410_CTL_1, &val); - DRM_LOG_KMS("TFP410_CTL1: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_CTL1: 0x%02X\n", val); tfp410_readb(dvo, TFP410_CTL_2, &val); - DRM_LOG_KMS("TFP410_CTL2: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_CTL2: 0x%02X\n", val); tfp410_readb(dvo, TFP410_CTL_3, &val); - DRM_LOG_KMS("TFP410_CTL3: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_CTL3: 0x%02X\n", val); tfp410_readb(dvo, TFP410_USERCFG, &val); - DRM_LOG_KMS("TFP410_USERCFG: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_USERCFG: 0x%02X\n", val); tfp410_readb(dvo, TFP410_DE_DLY, &val); - DRM_LOG_KMS("TFP410_DE_DLY: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_DE_DLY: 0x%02X\n", val); tfp410_readb(dvo, TFP410_DE_CTL, &val); - DRM_LOG_KMS("TFP410_DE_CTL: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_DE_CTL: 0x%02X\n", val); tfp410_readb(dvo, TFP410_DE_TOP, &val); - DRM_LOG_KMS("TFP410_DE_TOP: 0x%02X\n", val); + DRM_DEBUG_KMS("TFP410_DE_TOP: 0x%02X\n", val); tfp410_readb(dvo, TFP410_DE_CNT_LO, &val); tfp410_readb(dvo, TFP410_DE_CNT_HI, &val2); - DRM_LOG_KMS("TFP410_DE_CNT: 0x%02X%02X\n", val2, val); + DRM_DEBUG_KMS("TFP410_DE_CNT: 0x%02X%02X\n", val2, val); tfp410_readb(dvo, TFP410_DE_LIN_LO, &val); tfp410_readb(dvo, TFP410_DE_LIN_HI, &val2); - DRM_LOG_KMS("TFP410_DE_LIN: 0x%02X%02X\n", val2, val); + DRM_DEBUG_KMS("TFP410_DE_LIN: 0x%02X%02X\n", val2, val); tfp410_readb(dvo, TFP410_H_RES_LO, &val); tfp410_readb(dvo, TFP410_H_RES_HI, &val2); - DRM_LOG_KMS("TFP410_H_RES: 0x%02X%02X\n", val2, val); + DRM_DEBUG_KMS("TFP410_H_RES: 0x%02X%02X\n", val2, val); tfp410_readb(dvo, TFP410_V_RES_LO, &val); tfp410_readb(dvo, TFP410_V_RES_HI, &val2); - DRM_LOG_KMS("TFP410_V_RES: 0x%02X%02X\n", val2, val); + DRM_DEBUG_KMS("TFP410_V_RES: 0x%02X%02X\n", val2, val); } static void tfp410_destroy(struct intel_dvo_device *dvo) @@ -299,6 +312,7 @@ struct intel_dvo_dev_ops tfp410_ops = { .mode_valid = tfp410_mode_valid, .mode_set = tfp410_mode_set, .dpms = tfp410_dpms, + .get_hw_state = tfp410_get_hw_state, .dump_regs = tfp410_dump_regs, .destroy = tfp410_destroy, }; |