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drm/i915: Add MIPI mmio reg base

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This patch adds a mmio base address variable for DSI display,
to make the DSI code generic, so that, if required, the same code
can be re-used for future platforms with different mmio base.

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Appease checkpatch.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Shashank Sharma 2014-05-19 20:54:03 +05:30 committed by Daniel Vetter
parent eed6d67d92
commit b6fdd0f2b9
3 changed files with 12 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -1360,6 +1360,9 @@ struct drm_i915_private {
*/
uint32_t gpio_mmio_base;
/* MMIO base address for MIPI regs */
uint32_t mipi_mmio_base;
wait_queue_head_t gmbus_wait_queue;
struct pci_dev *bridge_dev;

1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -1032,6 +1032,7 @@ enum punit_power_well {
#define GFX_PPGTT_ENABLE (1<<9)
#define VLV_DISPLAY_BASE 0x180000
#define VLV_MIPI_BASE VLV_DISPLAY_BASE
#define VLV_GU_CTL0 (VLV_DISPLAY_BASE + 0x2030)
#define VLV_GU_CTL1 (VLV_DISPLAY_BASE + 0x2034)

8
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -649,6 +649,7 @@ bool intel_dsi_init(struct drm_device *dev)
struct intel_connector *intel_connector;
struct drm_connector *connector;
struct drm_display_mode *fixed_mode = NULL;
struct drm_i915_private *dev_priv = dev->dev_private;
const struct intel_dsi_device *dsi;
unsigned int i;
@ -668,6 +669,13 @@ bool intel_dsi_init(struct drm_device *dev)
encoder = &intel_encoder->base;
intel_dsi->attached_connector = intel_connector;
if (IS_VALLEYVIEW(dev)) {
dev_priv->mipi_mmio_base = VLV_MIPI_BASE;
} else {
DRM_ERROR("Unsupported Mipi device to reg base");
return false;
}
connector = &intel_connector->base;
drm_encoder_init(dev, encoder, &intel_dsi_funcs, DRM_MODE_ENCODER_DSI);