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Fri, 29 May 2026 14:08:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id AMVSGsSdGWoybAAAD6G6ig (envelope-from ); Fri, 29 May 2026 14:08:04 +0000 From: Thomas Zimmermann To: jfalempe@redhat.com, javierm@redhat.com, deller@gmx.de, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, simona@ffwll.ch Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Thomas Zimmermann Subject: [PATCH 3/4] drm/panic: Look up glyph shape with font helper Date: Fri, 29 May 2026 16:01:25 +0200 Message-ID: <20260529140759.529929-4-tzimmermann@suse.de> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260529140759.529929-1-tzimmermann@suse.de> References: <20260529140759.529929-1-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Level: X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: B41166AE32 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; 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RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com,gmx.de] X-Spam-Flag: NO X-Spam-Score: -3.01 Look up glyph shapes with font_data_glyph_buf(). Handle non-existing glyphs gracefully. Enable extended ASCII by casting to unsigned char. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_panic.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c index d6d3b8d85dea..e576c4791861 100644 --- a/drivers/gpu/drm/drm_panic.c +++ b/drivers/gpu/drm/drm_panic.c @@ -443,9 +443,11 @@ static void draw_txt_rectangle(struct drm_scanout_buffer *sb, rec.x1 += (drm_rect_width(clip) - (line_len * font->width)) / 2; for (j = 0; j < line_len; j++) { - src = drm_draw_get_char_bitmap(font, msg[i].txt[j], font_pitch); + src = font_data_glyph_buf(font->data, font->width, font->height, + (unsigned char)msg[i].txt[j]); rec.x2 = rec.x1 + font->width; - drm_panic_blit(sb, &rec, src, font_pitch, 1, color); + if (src) + drm_panic_blit(sb, &rec, src, font_pitch, 1, color); rec.x1 += font->width; } } -- 2.54.0