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drm, kdb, kms: Add an enter argument to mode_set_base_atomic() API 

Some devices such as the radeon chips receive information from user
space which needs to be saved when executing an atomic mode set
operation, else the user space would have to be queried again for the
information.

This patch extends the mode_set_base_atomic() call to pass an argument
to indicate if this is an entry or an exit from an atomic kernel mode
set change.  Individual drm drivers can properly save and restore
state accordingly.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
CC: David Airlie <airlied@linux.ie>
CC: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
wifi-calibration
Jason Wessel 2010-09-26 06:47:25 -05:00 committed by Dave Airlie
parent be64c2bb47
commit 413d45d362
8 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/drm_fb_helper.c
View File

@ -263,7 +263,8 @@ int drm_fb_helper_debug_enter(struct fb_info *info)
funcs->mode_set_base_atomic(mode_set->crtc,
mode_set->fb,
mode_set->x,
mode_set->y);
mode_set->y,
1);
}
}
@ -309,7 +310,7 @@ int drm_fb_helper_debug_leave(struct fb_info *info)
}
funcs->mode_set_base_atomic(mode_set->crtc, fb, crtc->x,
crtc->y);
crtc->y, 0);
}
return 0;

4
drivers/gpu/drm/i915/intel_display.c
View File

@ -1492,7 +1492,7 @@ err_unpin:
/* Assume fb object is pinned & idle & fenced and just update base pointers */
static int
intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
int x, int y)
int x, int y, int enter)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@ -1614,7 +1614,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
atomic_read(&obj_priv->pending_flip) == 0);
}
ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y);
ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y, 0);
if (ret) {
i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj);
mutex_unlock(&dev->struct_mutex);

2
drivers/gpu/drm/nouveau/nv04_crtc.c
View File

@ -858,7 +858,7 @@ nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
static int
nv04_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y)
int x, int y, int enter)
{
return nv04_crtc_do_mode_set_base(crtc, fb, x, y, true);
}

2
drivers/gpu/drm/nouveau/nv50_crtc.c
View File

@ -712,7 +712,7 @@ nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
static int
nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y)
int x, int y, int enter)
{
return nv50_crtc_do_mode_set_base(crtc, fb, x, y, true, true);
}

2
drivers/gpu/drm/radeon/atombios_crtc.c
View File

@ -1180,7 +1180,7 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y)
int x, int y, int enter)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;

2
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
View File

@ -353,7 +353,7 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y)
int x, int y, int enter)
{
return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
}

4
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -516,7 +516,7 @@ extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
extern int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y);
int x, int y, int enter);
extern int atombios_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
@ -528,7 +528,7 @@ extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
extern int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y);
int x, int y, int enter);
extern int radeon_crtc_do_set_base(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
int x, int y, int atomic);

3
include/drm/drm_crtc_helper.h
View File

@ -61,7 +61,8 @@ struct drm_crtc_helper_funcs {
int (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
int (*mode_set_base_atomic)(struct drm_crtc *crtc,
struct drm_framebuffer *fb, int x, int y);
struct drm_framebuffer *fb, int x, int y,
int is_enter);
/* reload the current crtc LUT */
void (*load_lut)(struct drm_crtc *crtc);