Commit 498f9620 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'fbdev-fixes-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux 

Pull fbdev fixes from Tomi Valkeinen:
 - fix build errors for bf54x-lq043fb and imxfb
 - fbcon fix for da8xx-fb
 - omapdss fixes for hdmi audio, irq handling and fclk calculation

* tag 'fbdev-fixes-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  video: bf54x-lq043fb: fix build error
  OMAPDSS: Change struct reg_field to dispc_reg_field
  OMAPDSS: Take pixelclock unit change into account in hdmi_compute_acr()
  OMAPDSS: fix shared irq handlers
  video: imxfb: Select LCD_CLASS_DEVICE unconditionally
  OMAPDSS: fix rounding when calculating fclk rate
  video: da8xx-fb: Fix casting of info->pseudo_palette
parents 5f63517c c26ef3eb

drivers/video/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -359,6 +359,8 @@ config FB_SA1100 
config FB_IMX

	tristate "Freescale i.MX1/21/25/27 LCD support"

	depends on FB && ARCH_MXC

	select BACKLIGHT_LCD_SUPPORT

	select LCD_CLASS_DEVICE

	select FB_CFB_FILLRECT

	select FB_CFB_COPYAREA

	select FB_CFB_IMAGEBLIT

drivers/video/bf54x-lq043fb.c

+1 −1
Original line number Diff line number Diff line
@@ -49,13 +49,13 @@ 
#include <linux/spinlock.h>

#include <linux/dma-mapping.h>

#include <linux/platform_device.h>

#include <linux/gpio.h>



#include <asm/blackfin.h>

#include <asm/irq.h>

#include <asm/dpmc.h>

#include <asm/dma-mapping.h>

#include <asm/dma.h>

#include <asm/gpio.h>

#include <asm/portmux.h>



#include <mach/bf54x-lq043.h>

drivers/video/da8xx-fb.c

+1 −9
Original line number Diff line number Diff line
@@ -663,15 +663,7 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green, 
			(green << info->var.green.offset) |

			(blue << info->var.blue.offset);



		switch (info->var.bits_per_pixel) {

		case 16:

			((u16 *) (info->pseudo_palette))[regno] = v;

			break;

		case 24:

		case 32:

		((u32 *) (info->pseudo_palette))[regno] = v;

			break;

		}

		if (palette[0] != 0x4000) {

			update_hw = 1;

			palette[0] = 0x4000;

drivers/video/omap2/dss/dispc.c

+57 −10
Original line number Diff line number Diff line
@@ -101,6 +101,8 @@ static struct { 
	void __iomem    *base;



	int irq;

	irq_handler_t user_handler;

	void *user_data;



	unsigned long core_clk_rate;

	unsigned long tv_pclk_rate;
@@ -113,6 +115,8 @@ static struct { 
	u32		ctx[DISPC_SZ_REGS / sizeof(u32)];



	const struct dispc_features *feat;



	bool is_enabled;

} dispc;



enum omap_color_component {
@@ -141,12 +145,18 @@ enum mgr_reg_fields { 
	DISPC_MGR_FLD_NUM,

};



struct dispc_reg_field {

	u16 reg;

	u8 high;

	u8 low;

};



static const struct {

	const char *name;

	u32 vsync_irq;

	u32 framedone_irq;

	u32 sync_lost_irq;

	struct reg_field reg_desc[DISPC_MGR_FLD_NUM];

	struct dispc_reg_field reg_desc[DISPC_MGR_FLD_NUM];

} mgr_desc[] = {

	[OMAP_DSS_CHANNEL_LCD] = {

		.name		= "LCD",
@@ -238,13 +248,13 @@ static inline u32 dispc_read_reg(const u16 idx) 


static u32 mgr_fld_read(enum omap_channel channel, enum mgr_reg_fields regfld)

{

	const struct reg_field rfld = mgr_desc[channel].reg_desc[regfld];

	const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];

	return REG_GET(rfld.reg, rfld.high, rfld.low);

}



static void mgr_fld_write(enum omap_channel channel,

					enum mgr_reg_fields regfld, int val) {

	const struct reg_field rfld = mgr_desc[channel].reg_desc[regfld];

	const struct dispc_reg_field rfld = mgr_desc[channel].reg_desc[regfld];

	REG_FLD_MOD(rfld.reg, val, rfld.high, rfld.low);

}
@@ -3669,16 +3679,44 @@ static int __init dispc_init_features(struct platform_device *pdev) 
	return 0;

}



static irqreturn_t dispc_irq_handler(int irq, void *arg)

{

	if (!dispc.is_enabled)

		return IRQ_NONE;



	return dispc.user_handler(irq, dispc.user_data);

}



int dispc_request_irq(irq_handler_t handler, void *dev_id)

{

	return devm_request_irq(&dispc.pdev->dev, dispc.irq, handler,

			     IRQF_SHARED, "OMAP DISPC", dev_id);

	int r;



	if (dispc.user_handler != NULL)

		return -EBUSY;



	dispc.user_handler = handler;

	dispc.user_data = dev_id;



	/* ensure the dispc_irq_handler sees the values above */

	smp_wmb();



	r = devm_request_irq(&dispc.pdev->dev, dispc.irq, dispc_irq_handler,

			     IRQF_SHARED, "OMAP DISPC", &dispc);

	if (r) {

		dispc.user_handler = NULL;

		dispc.user_data = NULL;

	}



	return r;

}

EXPORT_SYMBOL(dispc_request_irq);



void dispc_free_irq(void *dev_id)

{

	devm_free_irq(&dispc.pdev->dev, dispc.irq, dev_id);

	devm_free_irq(&dispc.pdev->dev, dispc.irq, &dispc);



	dispc.user_handler = NULL;

	dispc.user_data = NULL;

}

EXPORT_SYMBOL(dispc_free_irq);
@@ -3750,6 +3788,12 @@ static int __exit omap_dispchw_remove(struct platform_device *pdev) 


static int dispc_runtime_suspend(struct device *dev)

{

	dispc.is_enabled = false;

	/* ensure the dispc_irq_handler sees the is_enabled value */

	smp_wmb();

	/* wait for current handler to finish before turning the DISPC off */

	synchronize_irq(dispc.irq);



	dispc_save_context();



	return 0;
@@ -3763,12 +3807,15 @@ static int dispc_runtime_resume(struct device *dev) 
	 * _omap_dispc_initial_config(). We can thus use it to detect if

	 * we have lost register context.

	 */

	if (REG_GET(DISPC_CONFIG, 2, 1) == OMAP_DSS_LOAD_FRAME_ONLY)

		return 0;



	if (REG_GET(DISPC_CONFIG, 2, 1) != OMAP_DSS_LOAD_FRAME_ONLY) {

		_omap_dispc_initial_config();



		dispc_restore_context();

	}



	dispc.is_enabled = true;

	/* ensure the dispc_irq_handler sees the is_enabled value */

	smp_wmb();



	return 0;

}

drivers/video/omap2/dss/dsi.c

+20 −0
Original line number Diff line number Diff line
@@ -297,6 +297,8 @@ struct dsi_data { 


	int irq;



	bool is_enabled;



	struct clk *dss_clk;

	struct clk *sys_clk;
@@ -795,6 +797,9 @@ static irqreturn_t omap_dsi_irq_handler(int irq, void *arg) 
	dsidev = (struct platform_device *) arg;

	dsi = dsi_get_dsidrv_data(dsidev);



	if (!dsi->is_enabled)

		return IRQ_NONE;



	spin_lock(&dsi->irq_lock);



	irqstatus = dsi_read_reg(dsidev, DSI_IRQSTATUS);
@@ -5671,6 +5676,15 @@ static int __exit omap_dsihw_remove(struct platform_device *dsidev) 


static int dsi_runtime_suspend(struct device *dev)

{

	struct platform_device *pdev = to_platform_device(dev);

	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);



	dsi->is_enabled = false;

	/* ensure the irq handler sees the is_enabled value */

	smp_wmb();

	/* wait for current handler to finish before turning the DSI off */

	synchronize_irq(dsi->irq);



	dispc_runtime_put();



	return 0;
@@ -5678,12 +5692,18 @@ static int dsi_runtime_suspend(struct device *dev) 


static int dsi_runtime_resume(struct device *dev)

{

	struct platform_device *pdev = to_platform_device(dev);

	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);

	int r;



	r = dispc_runtime_get();

	if (r)

		return r;



	dsi->is_enabled = true;

	/* ensure the irq handler sees the is_enabled value */

	smp_wmb();



	return 0;

}

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