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drm/i915: SDVO hotplug have different interrupt status bits for i915/i965/g4x 

Note that gen3 is the only platform where we've got the bit
definitions right, hence the workaround of disabling sdvo hotplug
support on i945g/gm is not due to misdiagnosis of broken hotplug irq
handling ...

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: add some blurb about sdvo hotplug fail on i945g/gm I've
wondered about while reviewing.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-05-11 18:01:33 +01:00 committed by Daniel Vetter
parent 10f76a3816
commit 084b612ecf
3 changed files with 34 additions and 13 deletions
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19
drivers/gpu/drm/i915/i915_irq.c
View File

@ -2158,9 +2158,9 @@ static int i915_irq_postinstall(struct drm_device *dev)
hotplug_en |= HDMIC_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS)
hotplug_en |= HDMID_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS)
if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS_I915)
hotplug_en |= SDVOC_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS)
if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS_I915)
hotplug_en |= SDVOB_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) {
hotplug_en |= CRT_HOTPLUG_INT_EN;
@ -2383,10 +2383,17 @@ static int i965_irq_postinstall(struct drm_device *dev)
hotplug_en |= HDMIC_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS)
hotplug_en |= HDMID_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS)
hotplug_en |= SDVOC_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS)
hotplug_en |= SDVOB_HOTPLUG_INT_EN;
if (IS_G4X(dev)) {
if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS_G4X)
hotplug_en |= SDVOC_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS_G4X)
hotplug_en |= SDVOB_HOTPLUG_INT_EN;
} else {
if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS_I965)
hotplug_en |= SDVOC_HOTPLUG_INT_EN;
if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS_I965)
hotplug_en |= SDVOB_HOTPLUG_INT_EN;
}
if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) {
hotplug_en |= CRT_HOTPLUG_INT_EN;

11
drivers/gpu/drm/i915/i915_reg.h
View File

@ -1572,15 +1572,20 @@
#define HDMID_HOTPLUG_INT_STATUS (3 << 21)
#define HDMIC_HOTPLUG_INT_STATUS (3 << 19)
#define HDMIB_HOTPLUG_INT_STATUS (3 << 17)
/* CRT/TV/SDVO common between gen3+ */
/* CRT/TV common between gen3+ */
#define CRT_HOTPLUG_INT_STATUS (1 << 11)
#define TV_HOTPLUG_INT_STATUS (1 << 10)
#define CRT_HOTPLUG_MONITOR_MASK (3 << 8)
#define CRT_HOTPLUG_MONITOR_COLOR (3 << 8)
#define CRT_HOTPLUG_MONITOR_MONO (2 << 8)
#define CRT_HOTPLUG_MONITOR_NONE (0 << 8)
#define SDVOC_HOTPLUG_INT_STATUS (1 << 7)
#define SDVOB_HOTPLUG_INT_STATUS (1 << 6)
/* SDVO is different across gen3/4 */
#define SDVOC_HOTPLUG_INT_STATUS_G4X (1 << 3)
#define SDVOB_HOTPLUG_INT_STATUS_G4X (1 << 2)
#define SDVOC_HOTPLUG_INT_STATUS_I965 (3 << 4)
#define SDVOB_HOTPLUG_INT_STATUS_I965 (3 << 2)
#define SDVOC_HOTPLUG_INT_STATUS_I915 (1 << 7)
#define SDVOB_HOTPLUG_INT_STATUS_I915 (1 << 6)
/* SDVO port control */
#define SDVOB 0x61140

17
drivers/gpu/drm/i915/intel_sdvo.c
View File

@ -2511,6 +2511,7 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_encoder *intel_encoder;
struct intel_sdvo *intel_sdvo;
u32 hotplug_mask;
int i;
intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
@ -2542,10 +2543,18 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
}
}
if (intel_sdvo->is_sdvob)
dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
else
dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
hotplug_mask = 0;
if (IS_G4X(dev)) {
hotplug_mask = intel_sdvo->is_sdvob ?
SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
} else if (IS_GEN4(dev)) {
hotplug_mask = intel_sdvo->is_sdvob ?
SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
} else {
hotplug_mask = intel_sdvo->is_sdvob ?
SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
}
dev_priv->hotplug_supported_mask |= hotplug_mask;
drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);