On Thu, Sep 17, 2009 at 4:36 PM, Mike Chan <mike@xxxxxxxxxxx> wrote:
> Signed-off-by: Mike Chan <mike@xxxxxxxxxxx>
> ---
> drivers/video/omap2/dss/dispc.c | 6 ++++-
> drivers/video/omap2/dss/dsi.c | 50 +++++++++++++++++++++++++++++++++++---
> 2 files changed, 51 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
> index d061d75..4216466 100644
> --- a/drivers/video/omap2/dss/dispc.c
> +++ b/drivers/video/omap2/dss/dispc.c
> @@ -484,13 +484,17 @@ static inline void enable_clocks(bool enable)
> bool dispc_go_busy(enum omap_channel channel)
> {
> int bit;
> + bool ret;
>
> if (channel == OMAP_DSS_CHANNEL_LCD)
> bit = 5; /* GOLCD */
> else
> bit = 6; /* GODIGIT */
>
> - return REG_GET(DISPC_CONTROL, bit, bit) == 1;
> + enable_clocks(1);
> + ret = REG_GET(DISPC_CONTROL, bit, bit) == 1;
> + enable_clocks(0);
> + return ret;
> }
>
> void dispc_go(enum omap_channel channel)
> diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
> index 5e3d653..e9d8a5f 100644
> --- a/drivers/video/omap2/dss/dsi.c
> +++ b/drivers/video/omap2/dss/dsi.c
> @@ -1186,6 +1186,9 @@ int dsi_pll_init(bool enable_hsclk, bool enable_hsdiv)
> if (r)
> goto err1;
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> DSSDBG("PLL init done\n");
>
> return 0;
> @@ -1199,11 +1202,9 @@ err0:
>
> void dsi_pll_uninit(void)
> {
> - enable_clocks(0);
> - dsi_enable_pll_clock(0);
> -
> dsi.pll_locked = 0;
> dsi_pll_power(DSI_PLL_POWER_OFF);
> +
> regulator_disable(dsi.vdds_dsi_reg);
> DSSDBG("PLL uninit done\n");
> }
> @@ -1848,6 +1849,9 @@ static int dsi_vc_send_bta_sync(int channel)
>
> INIT_COMPLETION(dsi.bta_completion);
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> dsi_vc_enable_bta_irq(channel);
>
> r = dsi_vc_send_bta(channel);
> @@ -1870,6 +1874,9 @@ static int dsi_vc_send_bta_sync(int channel)
> err:
> dsi_vc_disable_bta_irq(channel);
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> return r;
> }
>
> @@ -1921,6 +1928,9 @@ static int dsi_vc_send_long(int channel, u8 data_type, u8 *data, u16 len,
> return -EINVAL;
> }
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> dsi_vc_write_long_header(channel, data_type, len, ecc);
>
> /*dsi_vc_print_status(0); */
> @@ -1964,6 +1974,9 @@ static int dsi_vc_send_long(int channel, u8 data_type, u8 *data, u16 len,
> dsi_vc_write_long_payload(channel, b1, b2, b3, 0);
> }
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> return r;
> }
>
> @@ -1979,6 +1992,9 @@ static int dsi_vc_send_short(int channel, u8 data_type, u16 data, u8 ecc)
> channel,
> data_type, data & 0xff, (data >> 8) & 0xff);
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> if (FLD_GET(dsi_read_reg(DSI_VC_CTRL(channel)), 16, 16)) {
> DSSERR("ERROR FIFO FULL, aborting transfer\n");
> return -EINVAL;
> @@ -1990,6 +2006,9 @@ static int dsi_vc_send_short(int channel, u8 data_type, u16 data, u8 ecc)
>
> dsi_write_reg(DSI_VC_SHORT_PACKET_HEADER(channel), r);
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> return 0;
> }
>
> @@ -2775,13 +2794,15 @@ static int dsi_update_thread(void *data)
> break;
>
> dsi_bus_lock();
> -
> if (dsi.update_mode == OMAP_DSS_UPDATE_DISABLED ||
> kthread_should_stop()) {
> dsi_bus_unlock();
> break;
> }
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> dsi_perf_mark_setup();
>
> if (dsi.update_region.dirty) {
> @@ -2872,6 +2893,9 @@ static int dsi_update_thread(void *data)
>
> complete_all(&dsi.update_completion);
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> dsi_bus_unlock();
>
> /* XXX We need to give others chance to get the bus lock. Is
> @@ -3068,6 +3092,9 @@ static int dsi_display_enable(struct omap_dss_device *dssdev)
> if (dsi.update_mode == OMAP_DSS_UPDATE_AUTO)
> dsi_start_auto_update(dssdev);
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> dsi_bus_unlock();
> mutex_unlock(&dsi.lock);
>
> @@ -3101,6 +3128,9 @@ static void dsi_display_disable(struct omap_dss_device *dssdev)
> dsi.update_mode = OMAP_DSS_UPDATE_DISABLED;
> dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> dsi_display_uninit_dispc(dssdev);
>
> dsi_display_uninit_dsi(dssdev);
> @@ -3128,6 +3158,9 @@ static int dsi_display_suspend(struct omap_dss_device *dssdev)
> dsi.update_mode = OMAP_DSS_UPDATE_DISABLED;
> dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> dsi_display_uninit_dispc(dssdev);
>
> dsi_display_uninit_dsi(dssdev);
> @@ -3181,6 +3214,9 @@ static int dsi_display_resume(struct omap_dss_device *dssdev)
> if (dsi.update_mode == OMAP_DSS_UPDATE_AUTO)
> dsi_start_auto_update(dssdev);
>
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> dsi_bus_unlock();
> mutex_unlock(&dsi.lock);
>
> @@ -3325,6 +3361,9 @@ static int dsi_display_enable_te(struct omap_dss_device *dssdev, bool enable)
>
> dsi_bus_lock();
>
> + enable_clocks(1);
> + dsi_enable_pll_clock(1);
> +
> dsi.te_enabled = enable;
>
> if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
> @@ -3332,6 +3371,9 @@ static int dsi_display_enable_te(struct omap_dss_device *dssdev, bool enable)
>
> dsi_set_te(dssdev, enable);
> end:
> + enable_clocks(0);
> + dsi_enable_pll_clock(0);
> +
> dsi_bus_unlock();
>
> return 0;
> --
> 1.5.4.5
>
>
Tomi this is based off of our android-omap-2.6.29 branch.
-- Mike
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