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drm/i915: MIPI PPS delays added

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Added as generic parameters which will be initialized in the panel
driver and are specific to panels.

Backlight delays have also kept as placeholders and will be used used
once we have MIPI backlight enabling support

Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Shobhit Kumar 2014-04-14 11:18:26 +05:30 committed by Daniel Vetter
parent cf4dbd2ecb
commit df38e6558d
2 changed files with 12 additions and 0 deletions
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5
drivers/gpu/drm/i915/intel_dsi.c
View File

@ -185,6 +185,8 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder)
/* put device in ready state */
intel_dsi_device_ready(encoder);
msleep(intel_dsi->panel_on_delay);
if (intel_dsi->dev.dev_ops->panel_reset)
intel_dsi->dev.dev_ops->panel_reset(&intel_dsi->dev);
@ -301,6 +303,9 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder)
if (intel_dsi->dev.dev_ops->disable_panel_power)
intel_dsi->dev.dev_ops->disable_panel_power(&intel_dsi->dev);
msleep(intel_dsi->panel_off_delay);
msleep(intel_dsi->panel_pwr_cycle_delay);
}
static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,

7
drivers/gpu/drm/i915/intel_dsi.h
View File

@ -116,6 +116,13 @@ struct intel_dsi {
u16 clk_hs_to_lp_count;
u16 init_count;
/* all delays in ms */
u16 backlight_off_delay;
u16 backlight_on_delay;
u16 panel_on_delay;
u16 panel_off_delay;
u16 panel_pwr_cycle_delay;
};
static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)