Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751579AbcKGAso (ORCPT ); Sun, 6 Nov 2016 19:48:44 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:33434 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751167AbcKGAsh (ORCPT ); Sun, 6 Nov 2016 19:48:37 -0500 From: Eric Engestrom To: linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Eric Engestrom , Rob Clark , =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher , David Airlie , Xinliang Liu , Daniel Vetter , Jani Nikula , VMware Graphics , Sinclair Yeh , Thomas Hellstrom , Tom St Denis , =?UTF-8?q?Michel=20D=C3=A4nzer?= , Gustavo Padovan , Emily Deng , Chunming Zhou , Flora Cui , Vitaly Prosyak , Colin Ian King , Ken Wang , Alexandre Demers , Eric Engestrom , Junwei Zhang , Xinwei Kong , Wei Yongjun , Chris Wilson , Laurent Pinchart , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [PATCH v2] drm: move allocation out of drm_get_format_name() Date: Mon, 7 Nov 2016 00:48:09 +0000 Message-Id: <20161107004821.25369-1-eric@engestrom.ch> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161107004713.GA26032@engestrom.ch> References: <20161107004713.GA26032@engestrom.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 21414 Lines: 551 Fixes: 90844f00049e9f42573fd31d7c32e8fd31d3fd07 drm: make drm_get_format_name thread-safe Signed-off-by: Eric Engestrom [danvet: Clarify that the returned pointer must be freed with kfree().] Signed-off-by: Daniel Vetter Cc: Rob Clark Cc: Christian König Suggested-by: Ville Syrjälä Signed-off-by: Eric Engestrom --- v2: use single-field struct instead of typedef to let the compiler enforce the type (Christian König) --- include/drm/drm_fourcc.h | 10 +++++- drivers/gpu/drm/drm_fourcc.c | 14 +++------ drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 7 ++--- drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 7 ++--- drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 3 +- drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 7 ++--- drivers/gpu/drm/drm_atomic.c | 7 +++-- drivers/gpu/drm/drm_crtc.c | 7 +++-- drivers/gpu/drm/drm_framebuffer.c | 7 +++-- drivers/gpu/drm/drm_modeset_helper.c | 7 +++-- drivers/gpu/drm/drm_plane.c | 7 +++-- drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 7 ++--- drivers/gpu/drm/i915/i915_debugfs.c | 10 +++--- drivers/gpu/drm/i915/intel_atomic_plane.c | 8 ++--- drivers/gpu/drm/i915/intel_display.c | 41 ++++++++++--------------- drivers/gpu/drm/radeon/atombios_crtc.c | 14 ++++----- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 3 +- 17 files changed, 80 insertions(+), 86 deletions(-) diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h index dc0aafa..4b03ca0 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -45,6 +45,14 @@ struct drm_format_info { u8 vsub; }; +/** + * struct drm_format_name_buf - name of a DRM format + * @str: string buffer containing the format name + */ +struct drm_format_name_buf { + char str[32]; +}; + const struct drm_format_info *__drm_format_info(u32 format); const struct drm_format_info *drm_format_info(u32 format); uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); @@ -54,6 +62,6 @@ int drm_format_horz_chroma_subsampling(uint32_t format); int drm_format_vert_chroma_subsampling(uint32_t format); int drm_format_plane_width(int width, uint32_t format, int plane); int drm_format_plane_height(int height, uint32_t format, int plane); -char *drm_get_format_name(uint32_t format) __malloc; +char *drm_get_format_name(uint32_t format, struct drm_format_name_buf *buf); #endif /* __DRM_FOURCC_H__ */ diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c index cbb8b77..99b0b60 100644 --- a/drivers/gpu/drm/drm_fourcc.c +++ b/drivers/gpu/drm/drm_fourcc.c @@ -79,17 +79,13 @@ uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) EXPORT_SYMBOL(drm_mode_legacy_fb_format); /** - * drm_get_format_name - return a string for drm fourcc format + * drm_get_format_name - fill a string with a drm fourcc format's name * @format: format to compute name of + * @buf: caller-supplied buffer - * - * Note that the buffer returned by this function is owned by the caller - * and will need to be freed using kfree(). */ -char *drm_get_format_name(uint32_t format) +char *drm_get_format_name(uint32_t format, struct drm_format_name_buf *buf) { - char *buf = kmalloc(32, GFP_KERNEL); - - snprintf(buf, 32, + snprintf(buf->str, sizeof(buf->str), "%c%c%c%c %s-endian (0x%08x)", printable_char(format & 0xff), printable_char((format >> 8) & 0xff), @@ -98,7 +94,7 @@ char *drm_get_format_name(uint32_t format) format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", format); - return buf; + return buf->str; } EXPORT_SYMBOL(drm_get_format_name); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 199d3f7..2924cdd 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2032,7 +2032,7 @@ static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc, u32 tmp, viewport_w, viewport_h; int r; bool bypass_lut = false; - char *format_name; + struct drm_format_name_buf format_name; /* no fb bound */ if (!atomic && !crtc->primary->fb) { @@ -2144,9 +2144,8 @@ static int dce_v10_0_crtc_do_set_base(struct drm_crtc *crtc, bypass_lut = true; break; default: - format_name = drm_get_format_name(target_fb->pixel_format); - DRM_ERROR("Unsupported screen format %s\n", format_name); + DRM_ERROR("Unsupported screen format %s\n", + drm_get_format_name(target_fb->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index ecd000e..f0e3c5c 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2013,7 +2013,7 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc, u32 tmp, viewport_w, viewport_h; int r; bool bypass_lut = false; - char *format_name; + struct drm_format_name_buf format_name; /* no fb bound */ if (!atomic && !crtc->primary->fb) { @@ -2125,9 +2125,8 @@ static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc, bypass_lut = true; break; default: - format_name = drm_get_format_name(target_fb->pixel_format); - DRM_ERROR("Unsupported screen format %s\n", format_name); + DRM_ERROR("Unsupported screen format %s\n", + drm_get_format_name(target_fb->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index 44547f9..5c6b82f 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -1456,6 +1456,7 @@ static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc, u32 viewport_w, viewport_h; int r; bool bypass_lut = false; + struct drm_format_name_buf format_name; /* no fb bound */ if (!atomic && !crtc->primary->fb) { @@ -1559,7 +1560,7 @@ static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc, break; default: DRM_ERROR("Unsupported screen format %s\n", - drm_get_format_name(target_fb->pixel_format)); + drm_get_format_name(target_fb->pixel_format, &format_name)); return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 979aedf..5aef19d 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -1910,7 +1910,7 @@ static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc, u32 viewport_w, viewport_h; int r; bool bypass_lut = false; - char *format_name; + struct drm_format_name_buf format_name; /* no fb bound */ if (!atomic && !crtc->primary->fb) { @@ -2015,9 +2015,8 @@ static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc, bypass_lut = true; break; default: - format_name = drm_get_format_name(target_fb->pixel_format); - DRM_ERROR("Unsupported screen format %s\n", format_name); + DRM_ERROR("Unsupported screen format %s\n", + drm_get_format_name(target_fb->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index c32fb3c..f29d3c5 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -835,9 +835,10 @@ static int drm_atomic_plane_check(struct drm_plane *plane, /* Check whether this plane supports the fb pixel format. */ ret = drm_plane_check_pixel_format(plane, state->fb->pixel_format); if (ret) { - char *format_name = drm_get_format_name(state->fb->pixel_format); - DRM_DEBUG_ATOMIC("Invalid pixel format %s\n", format_name); + struct drm_format_name_buf format_name; + DRM_DEBUG_ATOMIC("Invalid pixel format %s\n", + drm_get_format_name(state->fb->pixel_format, + &format_name)); - kfree(format_name); return ret; } diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 13441e2..08ac216 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -827,9 +827,10 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, ret = drm_plane_check_pixel_format(crtc->primary, fb->pixel_format); if (ret) { - char *format_name = drm_get_format_name(fb->pixel_format); - DRM_DEBUG_KMS("Invalid pixel format %s\n", format_name); + struct drm_format_name_buf format_name; + DRM_DEBUG_KMS("Invalid pixel format %s\n", + drm_get_format_name(fb->pixel_format, + &format_name)); - kfree(format_name); goto out; } } diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 49fd7db..df6b180 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -133,9 +133,10 @@ static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) info = __drm_format_info(r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN); if (!info) { - char *format_name = drm_get_format_name(r->pixel_format); - DRM_DEBUG_KMS("bad framebuffer format %s\n", format_name); + struct drm_format_name_buf format_name; + DRM_DEBUG_KMS("bad framebuffer format %s\n", + drm_get_format_name(r->pixel_format, + &format_name)); - kfree(format_name); return -EINVAL; } diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c index 2544dfe..2f452b3 100644 --- a/drivers/gpu/drm/drm_modeset_helper.c +++ b/drivers/gpu/drm/drm_modeset_helper.c @@ -75,10 +75,11 @@ void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, info = drm_format_info(mode_cmd->pixel_format); if (!info || !info->depth) { - char *format_name = drm_get_format_name(mode_cmd->pixel_format); + struct drm_format_name_buf format_name; - DRM_DEBUG_KMS("non-RGB pixel format %s\n", format_name); + DRM_DEBUG_KMS("non-RGB pixel format %s\n", + drm_get_format_name(mode_cmd->pixel_format, + &format_name)); - kfree(format_name); fb->depth = 0; fb->bits_per_pixel = 0; diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index 249c0ae..2ba0c22 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -479,9 +479,10 @@ static int __setplane_internal(struct drm_plane *plane, /* Check whether this plane supports the fb pixel format. */ ret = drm_plane_check_pixel_format(plane, fb->pixel_format); if (ret) { - char *format_name = drm_get_format_name(fb->pixel_format); - DRM_DEBUG_KMS("Invalid pixel format %s\n", format_name); + struct drm_format_name_buf format_name; + DRM_DEBUG_KMS("Invalid pixel format %s\n", + drm_get_format_name(fb->pixel_format, + &format_name)); - kfree(format_name); goto out; } diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c index 7e7a4d4..afc2b5d 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c @@ -608,17 +608,16 @@ static void ade_rdma_set(void __iomem *base, struct drm_framebuffer *fb, u32 ch, u32 y, u32 in_h, u32 fmt) { struct drm_gem_cma_object *obj = drm_fb_cma_get_gem_obj(fb, 0); - char *format_name; + struct drm_format_name_buf format_name; u32 reg_ctrl, reg_addr, reg_size, reg_stride, reg_space, reg_en; u32 stride = fb->pitches[0]; u32 addr = (u32)obj->paddr + y * stride; DRM_DEBUG_DRIVER("rdma%d: (y=%d, height=%d), stride=%d, paddr=0x%x\n", ch + 1, y, in_h, stride, (u32)obj->paddr); - format_name = drm_get_format_name(fb->pixel_format); DRM_DEBUG_DRIVER("addr=0x%x, fb:%dx%d, pixel_format=%d(%s)\n", - addr, fb->width, fb->height, fmt, format_name); + addr, fb->width, fb->height, fmt, + drm_get_format_name(fb->pixel_format, &format_name)); - kfree(format_name); /* get reg offset */ reg_ctrl = RD_CH_CTRL(ch); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 20638d2..670423e 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2971,7 +2971,7 @@ static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { struct drm_plane_state *state; struct drm_plane *plane = &intel_plane->base; - char *format_name; + struct drm_format_name_buf format_name; if (!plane->state) { seq_puts(m, "plane->state is NULL!\n"); @@ -2981,9 +2981,9 @@ static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) state = plane->state; if (state->fb) { - format_name = drm_get_format_name(state->fb->pixel_format); + drm_get_format_name(state->fb->pixel_format, &format_name); } else { - format_name = kstrdup("N/A", GFP_KERNEL); + sprintf(format_name.str, "N/A"); } seq_printf(m, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n", @@ -2999,10 +2999,8 @@ static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) ((state->src_w & 0xffff) * 15625) >> 10, (state->src_h >> 16), ((state->src_h & 0xffff) * 15625) >> 10, - format_name, + format_name.str, plane_rotation(state->rotation)); - - kfree(format_name); } } diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c index c762ae5..6c76e3d 100644 --- a/drivers/gpu/drm/i915/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c @@ -143,7 +143,7 @@ static int intel_plane_atomic_check(struct drm_plane *plane, crtc_state->base.enable ? crtc_state->pipe_src_h : 0; if (state->fb && drm_rotation_90_or_270(state->rotation)) { - char *format_name; + struct drm_format_name_buf format_name; if (!(state->fb->modifier[0] == I915_FORMAT_MOD_Y_TILED || state->fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED)) { @@ -159,9 +159,9 @@ static int intel_plane_atomic_check(struct drm_plane *plane, switch (state->fb->pixel_format) { case DRM_FORMAT_C8: case DRM_FORMAT_RGB565: - format_name = drm_get_format_name(state->fb->pixel_format); - DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", format_name); + DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n", + drm_get_format_name(state->fb->pixel_format, + &format_name)); - kfree(format_name); return -EINVAL; default: diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 6f8f6ec..8209170 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12871,7 +12871,7 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, DRM_DEBUG_KMS("planes on this crtc\n"); list_for_each_entry(plane, &dev->mode_config.plane_list, head) { - char *format_name; + struct drm_format_name_buf format_name; intel_plane = to_intel_plane(plane); if (intel_plane->pipe != crtc->pipe) continue; @@ -12884,12 +12884,11 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, continue; } - format_name = drm_get_format_name(fb->pixel_format); - DRM_DEBUG_KMS("[PLANE:%d:%s] enabled", plane->base.id, plane->name); DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = %s", - fb->base.id, fb->width, fb->height, format_name); + fb->base.id, fb->width, fb->height, + drm_get_format_name(fb->pixel_format, &format_name)); DRM_DEBUG_KMS("\tscaler:%d src %dx%d+%d+%d dst %dx%d+%d+%d\n", state->scaler_id, state->base.src.x1 >> 16, @@ -12899,8 +12898,6 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, state->base.dst.x1, state->base.dst.y1, drm_rect_width(&state->base.dst), drm_rect_height(&state->base.dst)); - - kfree(format_name); } } @@ -15749,7 +15746,7 @@ static int intel_framebuffer_init(struct drm_device *dev, unsigned int tiling = i915_gem_object_get_tiling(obj); int ret; u32 pitch_limit, stride_alignment; - char *format_name; + struct drm_format_name_buf format_name; WARN_ON(!mutex_is_locked(&dev->struct_mutex)); @@ -15840,18 +15837,16 @@ static int intel_framebuffer_init(struct drm_device *dev, break; case DRM_FORMAT_XRGB1555: if (INTEL_INFO(dev)->gen > 3) { - format_name = drm_get_format_name(mode_cmd->pixel_format); - DRM_DEBUG("unsupported pixel format: %s\n", format_name); + DRM_DEBUG("unsupported pixel format: %s\n", + drm_get_format_name(mode_cmd->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } break; case DRM_FORMAT_ABGR8888: if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) && INTEL_INFO(dev)->gen < 9) { - format_name = drm_get_format_name(mode_cmd->pixel_format); - DRM_DEBUG("unsupported pixel format: %s\n", format_name); + DRM_DEBUG("unsupported pixel format: %s\n", + drm_get_format_name(mode_cmd->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } break; @@ -15859,17 +15854,15 @@ static int intel_framebuffer_init(struct drm_device *dev, case DRM_FORMAT_XRGB2101010: case DRM_FORMAT_XBGR2101010: if (INTEL_INFO(dev)->gen < 4) { - format_name = drm_get_format_name(mode_cmd->pixel_format); - DRM_DEBUG("unsupported pixel format: %s\n", format_name); + DRM_DEBUG("unsupported pixel format: %s\n", + drm_get_format_name(mode_cmd->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } break; case DRM_FORMAT_ABGR2101010: if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv)) { - format_name = drm_get_format_name(mode_cmd->pixel_format); - DRM_DEBUG("unsupported pixel format: %s\n", format_name); + DRM_DEBUG("unsupported pixel format: %s\n", + drm_get_format_name(mode_cmd->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } break; @@ -15878,16 +15871,14 @@ static int intel_framebuffer_init(struct drm_device *dev, case DRM_FORMAT_YVYU: case DRM_FORMAT_VYUY: if (INTEL_INFO(dev)->gen < 5) { - format_name = drm_get_format_name(mode_cmd->pixel_format); - DRM_DEBUG("unsupported pixel format: %s\n", format_name); + DRM_DEBUG("unsupported pixel format: %s\n", + drm_get_format_name(mode_cmd->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } break; default: - format_name = drm_get_format_name(mode_cmd->pixel_format); - DRM_DEBUG("unsupported pixel format: %s\n", format_name); + DRM_DEBUG("unsupported pixel format: %s\n", + drm_get_format_name(mode_cmd->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 74f99ba..05f4ebe 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1156,7 +1156,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, u32 tmp, viewport_w, viewport_h; int r; bool bypass_lut = false; - char *format_name; + struct drm_format_name_buf format_name; /* no fb bound */ if (!atomic && !crtc->primary->fb) { @@ -1260,9 +1260,8 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, bypass_lut = true; break; default: - format_name = drm_get_format_name(target_fb->pixel_format); - DRM_ERROR("Unsupported screen format %s\n", format_name); + DRM_ERROR("Unsupported screen format %s\n", + drm_get_format_name(target_fb->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } @@ -1473,7 +1472,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, u32 viewport_w, viewport_h; int r; bool bypass_lut = false; - char *format_name; + struct drm_format_name_buf format_name; /* no fb bound */ if (!atomic && !crtc->primary->fb) { @@ -1563,9 +1562,8 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, bypass_lut = true; break; default: - format_name = drm_get_format_name(target_fb->pixel_format); - DRM_ERROR("Unsupported screen format %s\n", format_name); + DRM_ERROR("Unsupported screen format %s\n", + drm_get_format_name(target_fb->pixel_format, &format_name)); - kfree(format_name); return -EINVAL; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index c965514..e3f68cc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -985,8 +985,9 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, info = drm_format_info(mode_cmd2->pixel_format); if (!info || !info->depth) { + struct drm_format_name_buf format_name; DRM_ERROR("Unsupported framebuffer format %s\n", - drm_get_format_name(mode_cmd2->pixel_format)); + drm_get_format_name(mode_cmd2->pixel_format, &format_name)); return ERR_PTR(-EINVAL); } -- Cheers, Eric