Attachment 32509 Details for Bug 25741 – Add a module parameter to disable spread spectrum unconditionally

[patch] Add a module parameter to disable spread spectrum unconditionally

no-ss.diff (text/plain), 1.78 KB, created by Luca Tettamanti on 2010-01-07 09:00:06 UTC

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Creator: Luca Tettamanti

Created: 2010-01-07 09:00:06 UTC

Size: 1.78 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
>index 53b5560..8681ce2 100644
>--- a/drivers/gpu/drm/radeon/radeon.h
>+++ b/drivers/gpu/drm/radeon/radeon.h
>@@ -90,6 +90,7 @@ extern int radeon_connector_table;
> extern int radeon_tv;
> extern int radeon_new_pll;
> extern int radeon_audio;
>+extern int radeon_enable_ss;
> 
> /*
>  * Copy from radeon_drv.h so we don't have to include both and have conflicting
>diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
>index 41dd8eb..caff9f8 100644
>--- a/drivers/gpu/drm/radeon/radeon_atombios.c
>+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
>@@ -1002,6 +1002,9 @@ static struct radeon_atom_ss *radeon_atombios_get_ss_info(struct
> 	struct radeon_atom_ss *ss = NULL;
> 	int i;
> 
>+	if (!radeon_enable_ss)
>+		return NULL;
>+
> 	if (id > ATOM_MAX_SS_ENTRY)
> 		return NULL;
> 
>diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
>index 8ba3de7..40342eb 100644
>--- a/drivers/gpu/drm/radeon/radeon_drv.c
>+++ b/drivers/gpu/drm/radeon/radeon_drv.c
>@@ -88,6 +88,7 @@ int radeon_connector_table = 0;
> int radeon_tv = 1;
> int radeon_new_pll = 1;
> int radeon_audio = 1;
>+int radeon_enable_ss = 1;
> 
> MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
> module_param_named(no_wb, radeon_no_wb, int, 0444);
>@@ -128,6 +129,9 @@ module_param_named(new_pll, radeon_new_pll, int, 0444);
> MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
> module_param_named(audio, radeon_audio, int, 0444);
> 
>+MODULE_PARM_DESC(spread_spectrum, "Enable spread spectrum on LVDS (0 = disable)");
>+module_param_named(spread_spectrum, radeon_enable_ss, int, 0444);
>+
> static int radeon_suspend(struct drm_device *dev, pm_message_t state)
> {
> 	drm_radeon_private_t *dev_priv = dev->dev_private;

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Attachments on bug 25741: 32218 | 32219 | 32220 | 32221 | 32222 | 32223 | 32230 | 32336 | 32509 | 33815 | 33816 | 33817 | 33870

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