[1/5] drm/radeon/kms: Implement KDB debug hooks for radeon KMS.

Message ID	1285501647-379-2-git-send-email-jason.wessel@windriver.com (mailing list archive)
State	New, archived
Headers	show Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8R6ZDw3030597 for <patchwork-dri-devel@patchwork.kernel.org>; Mon, 27 Sep 2010 06:35:34 GMT From: Jason Wessel <jason.wessel@windriver.com> To: airlied@linux.ie Subject: [PATCH 1/5] drm/radeon/kms: Implement KDB debug hooks for radeon KMS. Date: Sun, 26 Sep 2010 06:47:23 -0500 Message-Id: <1285501647-379-2-git-send-email-jason.wessel@windriver.com> In-Reply-To: <1285501647-379-1-git-send-email-jason.wessel@windriver.com> References: <1285501647-379-1-git-send-email-jason.wessel@windriver.com> Cc: kgdb-bugreport@lists.sourceforge.net, dri-devel@lists.freedesktop.org Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index cd0290f..2ab9b36 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -854,13 +854,15 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode } -static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) +static int evergreen_crtc_do_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y, int atomic) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_framebuffer *radeon_fb; + struct drm_framebuffer *target_fb; struct drm_gem_object *obj; struct radeon_bo *rbo; uint64_t fb_location; @@ -868,28 +870,43 @@ static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y, int r; /* no fb bound */ - if (!crtc->fb) { + if (!atomic && !crtc->fb) { DRM_DEBUG_KMS("No FB bound\n"); return 0; } - radeon_fb = to_radeon_framebuffer(crtc->fb); + if (atomic) { + radeon_fb = to_radeon_framebuffer(fb); + target_fb = fb; + } + else { + radeon_fb = to_radeon_framebuffer(crtc->fb); + target_fb = crtc->fb; + } - /* Pin framebuffer & get tilling informations */ + /* If atomic, assume fb object is pinned & idle & fenced and + * just update base pointers + */ obj = radeon_fb->obj; rbo = obj->driver_private; r = radeon_bo_reserve(rbo, false); if (unlikely(r != 0)) return r; - r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); - if (unlikely(r != 0)) { - radeon_bo_unreserve(rbo); - return -EINVAL; + + if (atomic) + fb_location = radeon_bo_gpu_offset(rbo); + else { + r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); + if (unlikely(r != 0)) { + radeon_bo_unreserve(rbo); + return -EINVAL; + } } + radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); radeon_bo_unreserve(rbo); - switch (crtc->fb->bits_per_pixel) { + switch (target_fb->bits_per_pixel) { case 8: fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); @@ -909,7 +926,7 @@ static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y, break; default: DRM_ERROR("Unsupported screen depth %d\n", - crtc->fb->bits_per_pixel); + target_fb->bits_per_pixel); return -EINVAL; } @@ -955,10 +972,10 @@ static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y, WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0); WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0); - WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width); - WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height); + WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); + WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); - fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8); + fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8); WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); @@ -977,8 +994,8 @@ static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y, else WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0); - if (old_fb && old_fb != crtc->fb) { - radeon_fb = to_radeon_framebuffer(old_fb); + if (!atomic && fb && fb != crtc->fb) { + radeon_fb = to_radeon_framebuffer(fb); rbo = radeon_fb->obj->driver_private; r = radeon_bo_reserve(rbo, false); if (unlikely(r != 0)) @@ -993,8 +1010,9 @@ static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y, return 0; } -static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) +static int avivo_crtc_do_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y, int atomic) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; @@ -1002,33 +1020,48 @@ static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y, struct radeon_framebuffer *radeon_fb; struct drm_gem_object *obj; struct radeon_bo *rbo; + struct drm_framebuffer *target_fb; uint64_t fb_location; uint32_t fb_format, fb_pitch_pixels, tiling_flags; int r; /* no fb bound */ - if (!crtc->fb) { + if (!atomic && !crtc->fb) { DRM_DEBUG_KMS("No FB bound\n"); return 0; } - radeon_fb = to_radeon_framebuffer(crtc->fb); + if (atomic) { + radeon_fb = to_radeon_framebuffer(fb); + target_fb = fb; + } + else { + radeon_fb = to_radeon_framebuffer(crtc->fb); + target_fb = crtc->fb; + } - /* Pin framebuffer & get tilling informations */ obj = radeon_fb->obj; rbo = obj->driver_private; r = radeon_bo_reserve(rbo, false); if (unlikely(r != 0)) return r; - r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); - if (unlikely(r != 0)) { - radeon_bo_unreserve(rbo); - return -EINVAL; + + /* If atomic, assume fb object is pinned & idle & fenced and + * just update base pointers + */ + if (atomic) + fb_location = radeon_bo_gpu_offset(rbo); + else { + r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); + if (unlikely(r != 0)) { + radeon_bo_unreserve(rbo); + return -EINVAL; + } } radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); radeon_bo_unreserve(rbo); - switch (crtc->fb->bits_per_pixel) { + switch (target_fb->bits_per_pixel) { case 8: fb_format = AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | @@ -1052,7 +1085,7 @@ static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y, break; default: DRM_ERROR("Unsupported screen depth %d\n", - crtc->fb->bits_per_pixel); + target_fb->bits_per_pixel); return -EINVAL; } @@ -1093,10 +1126,10 @@ static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y, WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); - WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width); - WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height); + WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); + WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); - fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8); + fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8); WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); @@ -1115,8 +1148,8 @@ static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y, else WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0); - if (old_fb && old_fb != crtc->fb) { - radeon_fb = to_radeon_framebuffer(old_fb); + if (!atomic && fb && fb != crtc->fb) { + radeon_fb = to_radeon_framebuffer(fb); rbo = radeon_fb->obj->driver_private; r = radeon_bo_reserve(rbo, false); if (unlikely(r != 0)) @@ -1138,11 +1171,26 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y, struct radeon_device *rdev = dev->dev_private; if (ASIC_IS_DCE4(rdev)) - return evergreen_crtc_set_base(crtc, x, y, old_fb); + return evergreen_crtc_do_set_base(crtc, old_fb, x, y, 0); + else if (ASIC_IS_AVIVO(rdev)) + return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0); + else + return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); +} + +int atombios_crtc_set_base_atomic(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + + if (ASIC_IS_DCE4(rdev)) + return evergreen_crtc_do_set_base(crtc, fb, x, y, 1); else if (ASIC_IS_AVIVO(rdev)) - return avivo_crtc_set_base(crtc, x, y, old_fb); + return avivo_crtc_do_set_base(crtc, fb, x, y, 1); else - return radeon_crtc_set_base(crtc, x, y, old_fb); + return radeon_crtc_do_set_base(crtc, fb, x, y, 1); } /* properly set additional regs when using atombios */ @@ -1311,6 +1359,7 @@ static const struct drm_crtc_helper_funcs atombios_helper_funcs = { .mode_fixup = atombios_crtc_mode_fixup, .mode_set = atombios_crtc_mode_set, .mode_set_base = atombios_crtc_set_base, + .mode_set_base_atomic = atombios_crtc_set_base_atomic, .prepare = atombios_crtc_prepare, .commit = atombios_crtc_commit, .load_lut = radeon_crtc_load_lut, diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c index c74a8b2..fc3c408 100644 --- a/drivers/gpu/drm/radeon/radeon_fb.c +++ b/drivers/gpu/drm/radeon/radeon_fb.c @@ -59,6 +59,8 @@ static struct fb_ops radeonfb_ops = { .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, + .fb_debug_enter = drm_fb_helper_debug_enter, + .fb_debug_leave = drm_fb_helper_debug_leave, }; diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 305049a..bfa090e 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -348,10 +348,25 @@ void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { + return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); +} + +int radeon_crtc_set_base_atomic(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y) +{ + return radeon_crtc_do_set_base(crtc, fb, x, y, 1); +} + +int radeon_crtc_do_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y, int atomic) +{ struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct radeon_framebuffer *radeon_fb; + struct drm_framebuffer *target_fb; struct drm_gem_object *obj; struct radeon_bo *rbo; uint64_t base; @@ -364,14 +379,21 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, DRM_DEBUG_KMS("\n"); /* no fb bound */ - if (!crtc->fb) { + if (!atomic && !crtc->fb) { DRM_DEBUG_KMS("No FB bound\n"); return 0; } - radeon_fb = to_radeon_framebuffer(crtc->fb); + if (atomic) { + radeon_fb = to_radeon_framebuffer(fb); + target_fb = fb; + } + else { + radeon_fb = to_radeon_framebuffer(crtc->fb); + target_fb = crtc->fb; + } - switch (crtc->fb->bits_per_pixel) { + switch (target_fb->bits_per_pixel) { case 8: format = 2; break; @@ -415,10 +437,10 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, crtc_offset_cntl = 0; - pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8); - crtc_pitch = (((pitch_pixels * crtc->fb->bits_per_pixel) + - ((crtc->fb->bits_per_pixel * 8) - 1)) / - (crtc->fb->bits_per_pixel * 8)); + pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8); + crtc_pitch = (((pitch_pixels * target_fb->bits_per_pixel) + + ((target_fb->bits_per_pixel * 8) - 1)) / + (target_fb->bits_per_pixel * 8)); crtc_pitch |= crtc_pitch << 16; @@ -443,14 +465,14 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, crtc_tile_x0_y0 = x | (y << 16); base &= ~0x7ff; } else { - int byteshift = crtc->fb->bits_per_pixel >> 4; + int byteshift = target_fb->bits_per_pixel >> 4; int tile_addr = (((y >> 3) * pitch_pixels + x) >> (8 - byteshift)) << 11; base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8); crtc_offset_cntl |= (y % 16); } } else { int offset = y * pitch_pixels + x; - switch (crtc->fb->bits_per_pixel) { + switch (target_fb->bits_per_pixel) { case 8: offset *= 1; break; @@ -496,8 +518,8 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y, WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, crtc_offset); WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch); - if (old_fb && old_fb != crtc->fb) { - radeon_fb = to_radeon_framebuffer(old_fb); + if (!atomic && fb && fb != crtc->fb) { + radeon_fb = to_radeon_framebuffer(fb); rbo = radeon_fb->obj->driver_private; r = radeon_bo_reserve(rbo, false); if (unlikely(r != 0)) @@ -1040,6 +1062,7 @@ static const struct drm_crtc_helper_funcs legacy_helper_funcs = { .mode_fixup = radeon_crtc_mode_fixup, .mode_set = radeon_crtc_mode_set, .mode_set_base = radeon_crtc_set_base, + .mode_set_base_atomic = radeon_crtc_set_base_atomic, .prepare = radeon_crtc_prepare, .commit = radeon_crtc_commit, .load_lut = radeon_crtc_load_lut, diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 17a6602..9dd27c2 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -514,6 +514,9 @@ extern void radeon_encoder_set_active_device(struct drm_encoder *encoder); extern void radeon_crtc_load_lut(struct drm_crtc *crtc); 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); extern int atombios_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, @@ -523,7 +526,12 @@ extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode); 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); +extern int radeon_crtc_do_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y, int atomic); extern int radeon_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle,

[1/5] drm/radeon/kms: Implement KDB debug hooks for radeon KMS.

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